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Vulnerability Details :

CVE-2021-42250

Summary
Assigner-apache
Assigner Org ID-f0158376-9dc2-43b6-827c-5f631a4d8d09
Published At-17 Nov, 2021 | 15:10
Updated At-04 Aug, 2024 | 03:30
Rejected At-
Credits

Possible log injection

Improper output neutralization for Logs. A specific Apache Superset HTTP endpoint allowed for an authenticated user to forge log entries or inject malicious content into logs.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:apache
Assigner Org ID:f0158376-9dc2-43b6-827c-5f631a4d8d09
Published At:17 Nov, 2021 | 15:10
Updated At:04 Aug, 2024 | 03:30
Rejected At:
▼CVE Numbering Authority (CNA)
Possible log injection

Improper output neutralization for Logs. A specific Apache Superset HTTP endpoint allowed for an authenticated user to forge log entries or inject malicious content into logs.

Affected Products
Vendor
The Apache Software FoundationApache Software Foundation
Product
Apache Superset
Versions
Affected
  • From Apache Superset through 1.3.1 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-117CWE-117 Improper Output Neutralization for Logs
Type: CWE
CWE ID: CWE-117
Description: CWE-117 Improper Output Neutralization for Logs
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Upgrade to Apache Superset 1.3.2 or higher

Exploits

Credits

Found and reported by Duxiaoman Financial Security Team
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://lists.apache.org/thread/53lkszw6d3tybp5t99nvgcj538b9trw9
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/11/17/2
mailing-list
x_refsource_MLIST
Hyperlink: https://lists.apache.org/thread/53lkszw6d3tybp5t99nvgcj538b9trw9
Resource:
x_refsource_MISC
Hyperlink: http://www.openwall.com/lists/oss-security/2021/11/17/2
Resource:
mailing-list
x_refsource_MLIST
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://lists.apache.org/thread/53lkszw6d3tybp5t99nvgcj538b9trw9
x_refsource_MISC
x_transferred
http://www.openwall.com/lists/oss-security/2021/11/17/2
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://lists.apache.org/thread/53lkszw6d3tybp5t99nvgcj538b9trw9
Resource:
x_refsource_MISC
x_transferred
Hyperlink: http://www.openwall.com/lists/oss-security/2021/11/17/2
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@apache.org
Published At:17 Nov, 2021 | 15:15
Updated At:25 Apr, 2022 | 18:07

Improper output neutralization for Logs. A specific Apache Superset HTTP endpoint allowed for an authenticated user to forge log entries or inject malicious content into logs.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Primary2.04.0MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Type: Primary
Version: 2.0
Base score: 4.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:S/C:N/I:P/A:N
CPE Matches

The Apache Software Foundation
apache
>>superset>>Versions before 1.3.2(exclusive)
cpe:2.3:a:apache:superset:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-116Primarynvd@nist.gov
CWE-117Secondarysecurity@apache.org
CWE ID: CWE-116
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-117
Type: Secondary
Source: security@apache.org
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
http://www.openwall.com/lists/oss-security/2021/11/17/2security@apache.org
Mailing List
Third Party Advisory
https://lists.apache.org/thread/53lkszw6d3tybp5t99nvgcj538b9trw9security@apache.org
Mailing List
Vendor Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2021/11/17/2
Source: security@apache.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://lists.apache.org/thread/53lkszw6d3tybp5t99nvgcj538b9trw9
Source: security@apache.org
Resource:
Mailing List
Vendor Advisory

Change History

0
Information is not available yet

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CWE ID-CWE-668
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Matching Score-8
Assigner-Apache Software Foundation
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Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-1.26% / 79.53%
||
7 Day CHG~0.00%
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Action-Not Available
Vendor-The Apache Software Foundation
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Exposure of Resource to Wrong Sphere
CVE-2023-34212
Matching Score-8
Assigner-Apache Software Foundation
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Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
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||
7 Day CHG~0.00%
Published-12 Jun, 2023 | 15:14
Updated-13 Feb, 2025 | 17:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache NiFi: Potential Deserialization of Untrusted Data with JNDI in JMS Components

The JndiJmsConnectionFactoryProvider Controller Service, along with the ConsumeJMS and PublishJMS Processors, in Apache NiFi 1.8.0 through 1.21.0 allow an authenticated and authorized user to configure URL and library properties that enable deserialization of untrusted data from a remote location. The resolution validates the JNDI URL and restricts locations to a set of allowed schemes. You are recommended to upgrade to version 1.22.0 or later which fixes this issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-nifiApache NiFi
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2023-30575
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-0.16% / 36.71%
||
7 Day CHG~0.00%
Published-07 Jun, 2023 | 08:06
Updated-10 Oct, 2024 | 14:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Guacamole: Incorrect calculation of Guacamole protocol element lengths

Apache Guacamole 1.5.1 and older may incorrectly calculate the lengths of instruction elements sent during the Guacamole protocol handshake, potentially allowing an attacker to inject Guacamole instructions during the handshake through specially-crafted data.

Action-Not Available
Vendor-The Apache Software Foundation
Product-guacamoleApache Guacamole
CWE ID-CWE-131
Incorrect Calculation of Buffer Size
CVE-2024-24683
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-0.59% / 69.33%
||
7 Day CHG~0.00%
Published-19 Mar, 2024 | 08:20
Updated-15 Jul, 2025 | 13:57
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Hop Engine: ID isn't escaped when generating HTML

Improper Input Validation vulnerability in Apache Hop Engine.This issue affects Apache Hop Engine: before 2.8.0. Users are recommended to upgrade to version 2.8.0, which fixes the issue. When Hop Server writes links to the PrepareExecutionPipelineServlet page one of the parameters provided to the user was not properly escaped. The variable not properly escaped is the "id", which is not directly accessible by users creating pipelines making the risk of exploiting this low. This issue only affects users using the Hop Server component and does not directly affect the client.

Action-Not Available
Vendor-The Apache Software Foundation
Product-hop_engineApache Hop Engine
CWE ID-CWE-20
Improper Input Validation
CVE-2018-8004
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-2.59% / 85.67%
||
7 Day CHG~0.00%
Published-29 Aug, 2018 | 13:00
Updated-16 Sep, 2024 | 18:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

There are multiple HTTP smuggling and cache poisoning issues when clients making malicious requests interact with Apache Traffic Server (ATS). This affects versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.

Action-Not Available
Vendor-The Apache Software FoundationDebian GNU/Linux
Product-debian_linuxtraffic_serverApache Traffic Server
CWE ID-CWE-444
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CVE-2020-13922
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-0.83% / 74.64%
||
7 Day CHG~0.00%
Published-11 Jan, 2021 | 09:40
Updated-13 Feb, 2025 | 16:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache DolphinScheduler (incubating) Permission vulnerability

Versions of Apache DolphinScheduler prior to 1.3.2 allowed an ordinary user under any tenant to override another users password through the API interface.

Action-Not Available
Vendor-The Apache Software Foundation
Product-dolphinschedulerApache DolphinScheduler
CWE ID-CWE-276
Incorrect Default Permissions
CWE ID-CWE-264
Not Available
CVE-2023-25621
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-0.87% / 75.30%
||
7 Day CHG~0.00%
Published-23 Feb, 2023 | 08:42
Updated-18 Mar, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Sling does not allow to handle i18n content in a secure way

Privilege Escalation vulnerability in Apache Software Foundation Apache Sling. Any content author is able to create i18n dictionaries in the repository in a location the author has write access to. As these translations are used across the whole product, it allows an author to change any text or dialog in the product. For example an attacker might fool someone by changing the text on a delete button to "Info". This issue affects the i18n module of Apache Sling up to version 2.5.18. Version 2.6.2 and higher limit by default i18m dictionaries to certain paths in the repository (/libs and /apps). Users of the module are advised to update to version 2.6.2 or higher, check the configuration for resource loading and then adjust the access permissions for the configured path accordingly.

Action-Not Available
Vendor-The Apache Software Foundation
Product-sling_i18nApache Sling
CVE-2019-0191
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-3.63% / 87.87%
||
7 Day CHG~0.00%
Published-20 Mar, 2019 | 17:05
Updated-04 Aug, 2024 | 17:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Apache Karaf kar deployer reads .kar archives and extracts the paths from the "repository/" and "resources/" entries in the zip file. It then writes out the content of these paths to the Karaf repo and resources directories. However, it doesn't do any validation on the paths in the zip file. This means that a malicious user could craft a .kar file with ".." directory names and break out of the directories to write arbitrary content to the filesystem. This is the "Zip-slip" vulnerability - https://snyk.io/research/zip-slip-vulnerability. This vulnerability is low if the Karaf process user has limited permission on the filesystem. Any Apache Karaf releases prior 4.2.3 is impacted.

Action-Not Available
Vendor-The Apache Software Foundation
Product-karafApache Karaf
CWE ID-CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2015-5253
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-4||MEDIUM
EPSS-0.34% / 56.40%
||
7 Day CHG~0.00%
Published-18 Nov, 2015 | 16:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The SAML Web SSO module in Apache CXF before 2.7.18, 3.0.x before 3.0.7, and 3.1.x before 3.1.3 allows remote authenticated users to bypass authentication via a crafted SAML response with a valid signed assertion, related to a "wrapping attack."

Action-Not Available
Vendor-n/aThe Apache Software Foundation
Product-cxfn/a
CVE-2018-11799
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-0.24% / 47.23%
||
7 Day CHG~0.00%
Published-19 Dec, 2018 | 20:00
Updated-05 Aug, 2024 | 08:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Vulnerability allows a user of Apache Oozie 3.1.3-incubating to 5.0.0 to impersonate other users. The malicious user can construct an XML that results workflows running in other user's name.

Action-Not Available
Vendor-The Apache Software Foundation
Product-oozieApache Oozie
CWE ID-CWE-20
Improper Input Validation
CVE-2015-0251
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-4||MEDIUM
EPSS-1.06% / 77.78%
||
7 Day CHG~0.00%
Published-08 Apr, 2015 | 18:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The mod_dav_svn server in Subversion 1.5.0 through 1.7.19 and 1.8.0 through 1.8.11 allows remote authenticated users to spoof the svn:author property via a crafted v1 HTTP protocol request sequences.

Action-Not Available
Vendor-n/aApple Inc.openSUSEOracle CorporationThe Apache Software FoundationRed Hat, Inc.
Product-enterprise_linux_serverenterprise_linux_workstationxcodeenterprise_linux_desktopsolarisenterprise_linux_server_eusenterprise_linux_hpc_nodesubversionopensusen/a
CWE ID-CWE-345
Insufficient Verification of Data Authenticity
CVE-2022-29405
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-1.26% / 79.50%
||
7 Day CHG~0.00%
Published-25 May, 2022 | 07:15
Updated-03 Aug, 2024 | 06:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Archiva Arbitrary user password reset vulnerability

In Apache Archiva, any registered user can reset password for any users. This is fixed in Archiva 2.2.8

Action-Not Available
Vendor-The Apache Software Foundation
Product-archivaApache Archiva
CVE-2006-7217
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4||MEDIUM
EPSS-0.51% / 66.35%
||
7 Day CHG~0.00%
Published-05 Jul, 2007 | 20:00
Updated-23 Apr, 2026 | 00:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Apache Derby before 10.2.1.6 does not determine schema privilege requirements during the DropSchemaNode bind phase, which allows remote authenticated users to execute arbitrary drop schema statements in SQL authorization mode.

Action-Not Available
Vendor-n/aThe Apache Software Foundation
Product-derbyn/a
CVE-2016-6815
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-0.49% / 65.57%
||
7 Day CHG~0.00%
Published-13 Oct, 2017 | 14:00
Updated-20 Apr, 2025 | 01:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Apache Ranger before 0.6.2, users with "keyadmin" role should not be allowed to change password for users with "admin" role.

Action-Not Available
Vendor-The Apache Software Foundation
Product-rangerApache Ranger
CVE-2024-23953
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-1.56% / 81.54%
||
7 Day CHG~0.00%
Published-28 Jan, 2025 | 09:07
Updated-15 Jul, 2025 | 16:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Hive: Timing Attack Against Signature in LLAP util

Use of Arrays.equals() in LlapSignerImpl in Apache Hive to compare message signatures allows attacker to forge a valid signature for an arbitrary message byte by byte. The attacker should be an authorized user of the product to perform this attack. Users are recommended to upgrade to version 4.0.0, which fixes this issue. The problem occurs when an application doesn’t use a constant-time algorithm for validating a signature. The method Arrays.equals() returns false right away when it sees that one of the input’s bytes are different. It means that the comparison time depends on the contents of the arrays. This little thing may allow an attacker to forge a valid signature for an arbitrary message byte by byte. So it might allow malicious users to submit splits/work with selected signatures to LLAP without running as a privileged user, potentially leading to DDoS attack. More details in the reference section.

Action-Not Available
Vendor-The Apache Software Foundation
Product-hiveApache Hive
CWE ID-CWE-208
Observable Timing Discrepancy
CVE-2023-31007
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||NONE
EPSS-0.07% / 20.81%
||
7 Day CHG~0.00%
Published-12 Jul, 2023 | 09:07
Updated-08 Oct, 2024 | 13:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Pulsar: Broker does not always disconnect client when authentication data expires

Improper Authentication vulnerability in Apache Software Foundation Apache Pulsar Broker allows a client to stay connected to a broker after authentication data expires if the client connected through the Pulsar Proxy when the broker is configured with authenticateOriginalAuthData=false or if a client connects directly to a broker with a specially crafted connect command when the broker is configured with authenticateOriginalAuthData=false. This issue affects Apache Pulsar: through 2.9.4, from 2.10.0 through 2.10.3, 2.11.0. 2.9 Pulsar Broker users should upgrade to at least 2.9.5. 2.10 Pulsar Broker users should upgrade to at least 2.10.4. 2.11 Pulsar Broker users should upgrade to at least 2.11.1. 3.0 Pulsar Broker users are unaffected. Any users running the Pulsar Broker for 2.8.* and earlier should upgrade to one of the above patched versions.

Action-Not Available
Vendor-The Apache Software Foundation
Product-pulsarApache Pulsar
CWE ID-CWE-287
Improper Authentication
CVE-2023-46749
Matching Score-8
Assigner-Apache Software Foundation
ShareView Details
Matching Score-8
Assigner-Apache Software Foundation
CVSS Score-6.5||MEDIUM
EPSS-0.20% / 41.58%
||
7 Day CHG~0.00%
Published-15 Jan, 2024 | 09:57
Updated-03 Nov, 2025 | 22:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Shiro before 1.13.0 or 2.0.0-alpha-4, may be susceptible to a path traversal attack that results in an authentication bypass when used together with path rewriting

Apache Shiro before 1.13.0 or 2.0.0-alpha-4, may be susceptible to a path traversal attack that results in an authentication bypass when used together with path rewriting Mitigation: Update to Apache Shiro 1.13.0+ or 2.0.0-alpha-4+, or ensure `blockSemicolon` is enabled (this is the default).

Action-Not Available
Vendor-The Apache Software Foundation
Product-shiroApache Shiro
CWE ID-CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2026-42810
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-9.4||CRITICAL
EPSS-0.06% / 18.78%
||
7 Day CHG~0.00%
Published-04 May, 2026 | 16:48
Updated-05 May, 2026 | 19:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Polaris: could broaden vended S3 credentials through wildcard-bearing namespace or table names

Apache Polaris accepts literal `*` characters in namespace and table names. When it later builds temporary S3 access policies for delegated table access, those same characters appear to be reused unescaped in S3 IAM resource patterns and `s3:prefix` conditions. In S3 IAM policy matching, `*` is treated as a wildcard rather than as ordinary text. That means temporary credentials issued for one crafted table can match the storage path of a different table. In private testing against Polaris 1.4.0 using Polaris' AWS S3 temporary- credential path on both MinIO and real AWS S3, credentials returned for crafted tables such as `f*.t1`, `f*.*`, `*.*`, and `foo.*` could reach other tables' S3 locations. The confirmed behavior includes: - reading another table's metadata control file ([Iceberg metadata JSON]); - listing another table's exact S3 table prefix ([table prefix]); - and, when write delegation was returned for the crafted table, creating and deleting an object under another table's exact S3 table prefix. A control case using ordinary different names did not allow the same cross-table access. A least-privilege AWS S3 variant was also confirmed in which the attacker principal had no Polaris permissions on the victim table and only the minimal permissions required to create and use a crafted wildcard table (namespace-scoped `TABLE_CREATE` and `TABLE_WRITE_DATA` on `*`). In that setup, direct Polaris access to `foo.t1` remained forbidden, but the attacker could still create and load `*.*`, receive delegated S3 credentials, and use those credentials to list, read, create, and delete objects under `foo.t1`. In Iceberg, the metadata JSON file is a control file: it tells readers which data files belong to the table, which snapshots exist, and which table version to read. So unauthorized access to it is already a meaningful confidentiality problem. The confirmed write-capable variant means the issue is not limited to disclosure.

Action-Not Available
Vendor-The Apache Software Foundation
Product-Apache Polaris
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CWE ID-CWE-20
Improper Input Validation
CVE-2024-46901
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-3.1||LOW
EPSS-5.81% / 90.56%
||
7 Day CHG~0.00%
Published-09 Dec, 2024 | 09:36
Updated-15 Jul, 2025 | 16:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Subversion: mod_dav_svn denial-of-service via control characters in paths

Insufficient validation of filenames against control characters in Apache Subversion repositories served via mod_dav_svn allows authenticated users with commit access to commit a corrupted revision, leading to disruption for users of the repository. All versions of Subversion up to and including Subversion 1.14.4 are affected if serving repositories via mod_dav_svn. Users are recommended to upgrade to version 1.14.5, which fixes this issue. Repositories served via other access methods are not affected.

Action-Not Available
Vendor-The Apache Software FoundationDebian GNU/Linux
Product-subversiondebian_linuxApache Subversion
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CWE ID-CWE-20
Improper Input Validation
CVE-2021-42010
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-9.8||CRITICAL
EPSS-1.79% / 82.85%
||
7 Day CHG~0.00%
Published-24 Oct, 2022 | 00:00
Updated-07 May, 2025 | 16:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
CRLF log injection

Heron versions <= 0.20.4-incubating allows CRLF log injection because of the lack of escaping in the log statements. Please update to version 0.20.5-incubating which addresses this issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-heronApache Heron (Incubating)
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2024-45219
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-8.5||HIGH
EPSS-0.49% / 65.65%
||
7 Day CHG~0.00%
Published-16 Oct, 2024 | 07:55
Updated-01 Jul, 2025 | 20:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache CloudStack: Uploaded and registered templates and volumes can be used to abuse KVM-based infrastructure

Account users in Apache CloudStack by default are allowed to upload and register templates for deploying instances and volumes for attaching them as data disks to their existing instances. Due to missing validation checks for KVM-compatible templates or volumes in CloudStack 4.0.0 through 4.18.2.3 and 4.19.0.0 through 4.19.1.1, an attacker that can upload or register templates and volumes, can use them to deploy malicious instances or attach uploaded volumes to their existing instances on KVM-based environments and exploit this to gain access to the host filesystems that could result in the compromise of resource integrity and confidentiality, data loss, denial of service, and availability of KVM-based infrastructure managed by CloudStack. Users are recommended to upgrade to Apache CloudStack 4.18.2.4 or 4.19.1.2, or later, which addresses this issue. Additionally, all user-uploaded or registered KVM-compatible templates and volumes can be scanned and checked that they are flat files that should not be using any additional or unnecessary features. For example, operators can run this on their secondary storage(s) and inspect output. An empty output for the disk being validated means it has no references to the host filesystems; on the other hand, if the output for the disk being validated is not empty, it might indicate a compromised disk. for file in $(find /path/to/storage/ -type f -regex [a-f0-9\-]*.*); do echo "Retrieving file [$file] info. If the output is not empty, that might indicate a compromised disk; check it carefully."; qemu-img info -U $file | grep file: ; printf "\n\n"; done The command can also be run for the file-based primary storages; however, bear in mind that (i) volumes created from templates will have references for the templates at first and (ii) volumes can be consolidated while migrating, losing their references to the templates. Therefore, the command execution for the primary storages can show both false positives and false negatives. For checking the whole template/volume features of each disk, operators can run the following command: for file in $(find /path/to/storage/ -type f -regex [a-f0-9\-]*.*); do echo "Retrieving file [$file] info."; qemu-img info -U $file; printf "\n\n"; done

Action-Not Available
Vendor-apache_software_foundationThe Apache Software Foundation
Product-cloudstackApache CloudStackapache_cloudstack
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CWE ID-CWE-20
Improper Input Validation
CVE-2026-34478
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-6.9||MEDIUM
EPSS-0.15% / 35.63%
||
7 Day CHG~0.00%
Published-10 Apr, 2026 | 15:40
Updated-24 Apr, 2026 | 18:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Log4j Core: Log injection in Rfc5424Layout due to silent configuration incompatibility

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.html#RFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect users of stream-based syslog services who configure Rfc5424Layout directly: * The newLineEscape attribute was silently renamed, causing newline escaping to stop working for users of TCP framing (RFC 6587), exposing them to CRLF injection in log output. * The useTlsMessageFormat attribute was silently renamed, causing users of TLS framing (RFC 5425) to be silently downgraded to unframed TCP (RFC 6587), without newline escaping. Users of the SyslogAppender are not affected, as its configuration attributes were not modified. Users are advised to upgrade to Apache Log4j Core 2.25.4, which corrects this issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-log4jApache Log4j Core
CWE ID-CWE-117
Improper Output Neutralization for Logs
CWE ID-CWE-684
Incorrect Provision of Specified Functionality
CVE-2026-34480
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-6.9||MEDIUM
EPSS-0.15% / 35.52%
||
7 Day CHG~0.00%
Published-10 Apr, 2026 | 15:42
Updated-24 Apr, 2026 | 18:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Log4j Core: Silent log event loss in XmlLayout due to unescaped XML 1.0 forbidden characters

Apache Log4j Core's XmlLayout https://logging.apache.org/log4j/2.x/manual/layouts.html#XmlLayout , in versions up to and including 2.25.3, fails to sanitize characters forbidden by the XML 1.0 specification https://www.w3.org/TR/xml/#charsets producing invalid XML output whenever a log message or MDC value contains such characters. The impact depends on the StAX implementation in use: * JRE built-in StAX: Forbidden characters are silently written to the output, producing malformed XML. Conforming parsers must reject such documents with a fatal error, which may cause downstream log-processing systems to drop the affected records. * Alternative StAX implementations (e.g., Woodstox https://github.com/FasterXML/woodstox , a transitive dependency of the Jackson XML Dataformat module): An exception is thrown during the logging call, and the log event is never delivered to its intended appender, only to Log4j's internal status logger. Users are advised to upgrade to Apache Log4j Core 2.25.4, which corrects this issue by sanitizing forbidden characters before XML output.

Action-Not Available
Vendor-The Apache Software Foundation
Product-log4jApache Log4j Core
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2026-34479
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-6.9||MEDIUM
EPSS-0.16% / 35.96%
||
7 Day CHG~0.00%
Published-10 Apr, 2026 | 15:41
Updated-06 May, 2026 | 18:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters

The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1.0 standard, producing malformed XML output. Conforming XML parsers are required to reject documents containing such characters with a fatal error, which may cause downstream log processing systems to drop or fail to index affected records. Two groups of users are affected: * Those using Log4j1XmlLayout directly in a Log4j Core 2 configuration file. * Those using the Log4j 1 configuration compatibility layer with org.apache.log4j.xml.XMLLayout specified as the layout class. Users are advised to upgrade to Apache Log4j 1-to-Log4j 2 bridge version 2.25.4, which corrects this issue. Note: The Apache Log4j 1-to-Log4j 2 bridge is deprecated and will not be present in Log4j 3. Users are encouraged to consult the Log4j 1 to Log4j 2 migration guide https://logging.apache.org/log4j/2.x/migrate-from-log4j1.html , and specifically the section on eliminating reliance on the bridge.

Action-Not Available
Vendor-The Apache Software Foundation
Product-log4jApache Log4j 1 to Log4j 2 bridge
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2026-34483
Matching Score-6
Assigner-Apache Software Foundation
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Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-7.5||HIGH
EPSS-0.08% / 23.68%
||
7 Day CHG~0.00%
Published-09 Apr, 2026 | 19:30
Updated-14 Apr, 2026 | 12:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Tomcat: Incomplete escaping of JSON access logs

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-tomcatApache Tomcat
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2026-34481
Matching Score-6
Assigner-Apache Software Foundation
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Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-6.3||MEDIUM
EPSS-0.15% / 35.52%
||
7 Day CHG~0.00%
Published-10 Apr, 2026 | 15:43
Updated-24 Apr, 2026 | 18:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Log4j JSON Template Layout: Improper serialization of non-finite floating-point values in JsonTemplateLayout

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values (NaN, Infinity, or -Infinity), which are prohibited by RFC 8259. This may cause downstream log processing systems to reject or fail to index affected records. An attacker can exploit this issue only if both of the following conditions are met: * The application uses JsonTemplateLayout. * The application logs a MapMessage containing an attacker-controlled floating-point value. Users are advised to upgrade to Apache Log4j JSON Template Layout 2.25.4, which corrects this issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-log4jApache Log4j JSON Template Layout
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2026-40021
Matching Score-6
Assigner-Apache Software Foundation
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Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-6.3||MEDIUM
EPSS-0.25% / 48.43%
||
7 Day CHG~0.00%
Published-10 Apr, 2026 | 15:44
Updated-22 Apr, 2026 | 14:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Log4net: Silent log event loss in XmlLayout and XmlLayoutSchemaLog4J due to unescaped XML 1.0 forbidden characters

Apache Log4net's XmlLayout https://logging.apache.org/log4net/manual/configuration/layouts.html#layout-list and XmlLayoutSchemaLog4J https://logging.apache.org/log4net/manual/configuration/layouts.html#layout-list , in versions before 3.3.0, fail to sanitize characters forbidden by the XML 1.0 specification https://www.w3.org/TR/xml/#charsets in MDC property keys and values, as well as the identity field that may carry attacker-influenced data. This causes an exception during serialization and the silent loss of the affected log event. An attacker who can influence any of these fields can exploit this to suppress individual log records, impairing audit trails and detection of malicious activity. Users are advised to upgrade to Apache Log4net 3.3.0, which fixes this issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-log4netApache Log4net
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2024-38473
Matching Score-6
Assigner-Apache Software Foundation
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Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-8.1||HIGH
EPSS-88.36% / 99.50%
||
7 Day CHG~0.00%
Published-01 Jul, 2024 | 18:14
Updated-01 Jul, 2025 | 20:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache HTTP Server proxy encoding problem

Encoding problem in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows request URLs with incorrect encoding to be sent to backend services, potentially bypassing authentication via crafted requests. Users are recommended to upgrade to version 2.4.60, which fixes this issue.

Action-Not Available
Vendor-apache_software_foundationThe Apache Software FoundationNetApp, Inc.
Product-ontaphttp_serverApache HTTP Serverapache_http_server
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2026-40023
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-6.3||MEDIUM
EPSS-0.25% / 48.43%
||
7 Day CHG~0.00%
Published-10 Apr, 2026 | 15:45
Updated-21 Apr, 2026 | 14:49
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Apache Log4cxx, Apache Log4cxx (Conan), Apache Log4cxx (Brew): Silent log event loss in XMLLayout due to unescaped XML 1.0 forbidden characters

Apache Log4cxx's XMLLayout https://logging.apache.org/log4cxx/1.7.0/classlog4cxx_1_1xml_1_1XMLLayout.html , in versions before 1.7.0, fails to sanitize characters forbidden by the XML 1.0 specification https://www.w3.org/TR/xml/#charsets in log messages, NDC, and MDC property keys and values, producing invalid XML output. Conforming XML parsers must reject such documents with a fatal error, which may cause downstream log processing systems to drop or fail to index affected records. An attacker who can influence logged data can exploit this to suppress individual log records, impairing audit trails and detection of malicious activity. Users are advised to upgrade to Apache Log4cxx 1.7.0, which fixes this issue.

Action-Not Available
Vendor-The Apache Software Foundation
Product-log4cxxApache Log4cxx (Brew)Apache Log4cxxApache Log4cxx (Conan)
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2024-38475
Matching Score-6
Assigner-Apache Software Foundation
ShareView Details
Matching Score-6
Assigner-Apache Software Foundation
CVSS Score-9.1||CRITICAL
EPSS-93.78% / 99.86%
||
7 Day CHG+0.41%
Published-01 Jul, 2024 | 18:15
Updated-17 Nov, 2025 | 21:49
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2025-05-22||Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path.

Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure. Substitutions in server context that use a backreferences or variables as the first segment of the substitution are affected.  Some unsafe RewiteRules will be broken by this change and the rewrite flag "UnsafePrefixStat" can be used to opt back in once ensuring the substitution is appropriately constrained.

Action-Not Available
Vendor-SonicWall Inc.The Apache Software FoundationNetApp, Inc.
Product-sma_400_firmwaresma_400ontap_9sma_200sma_500vsma_200_firmwaresma_410sma_500v_firmwaresma_410_firmwaresma_210http_serversma_210_firmwareApache HTTP Serverhttp_serverontap_9HTTP Server
CWE ID-CWE-116
Improper Encoding or Escaping of Output
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