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Vulnerability Details :

CVE-2021-38686

Summary
Assigner-qnap
Assigner Org ID-2fd009eb-170a-4625-932b-17a53af1051f
Published At-26 Nov, 2021 | 14:00
Updated At-16 Sep, 2024 | 20:16
Rejected At-
Credits

Improper Authentication Vulnerability in VioStor

An improper authentication vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of QVR: QVR FW 5.1.6 build 20211109 and later

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:qnap
Assigner Org ID:2fd009eb-170a-4625-932b-17a53af1051f
Published At:26 Nov, 2021 | 14:00
Updated At:16 Sep, 2024 | 20:16
Rejected At:
▼CVE Numbering Authority (CNA)
Improper Authentication Vulnerability in VioStor

An improper authentication vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of QVR: QVR FW 5.1.6 build 20211109 and later

Affected Products
Vendor
QNAP Systems, Inc.QNAP Systems Inc.
Product
QVR
Versions
Affected
  • From unspecified before QVR FW 5.1.6 build 20211109 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-287CWE-287 Improper Authentication
Type: CWE
CWE ID: CWE-287
Description: CWE-287 Improper Authentication
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

We have already fixed this vulnerability in the following versions of QVR: QVR FW 5.1.6 build 20211109 and later

Configurations

Workarounds

Exploits

Credits

JPCERT/CC
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.qnap.com/en/security-advisory/qsa-21-52
x_refsource_MISC
Hyperlink: https://www.qnap.com/en/security-advisory/qsa-21-52
Resource:
x_refsource_MISC
▼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://www.qnap.com/en/security-advisory/qsa-21-52
x_refsource_MISC
x_transferred
Hyperlink: https://www.qnap.com/en/security-advisory/qsa-21-52
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@qnapsecurity.com.tw
Published At:26 Nov, 2021 | 14:15
Updated At:03 Dec, 2021 | 03:41

An improper authentication vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of QVR: QVR FW 5.1.6 build 20211109 and later

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
Primary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary2.06.8MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.8
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CPE Matches

QNAP Systems, Inc.
qnap
>>qvr>>Versions before 5.1.6(exclusive)
cpe:2.3:a:qnap:qvr:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-287Primarysecurity@qnapsecurity.com.tw
CWE ID: CWE-287
Type: Primary
Source: security@qnapsecurity.com.tw
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://www.qnap.com/en/security-advisory/qsa-21-52security@qnapsecurity.com.tw
Vendor Advisory
Hyperlink: https://www.qnap.com/en/security-advisory/qsa-21-52
Source: security@qnapsecurity.com.tw
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-6
Assigner-QNAP Systems, Inc.
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Matching Score-6
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Action-Not Available
Vendor-QNAP Systems, Inc.
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CWE ID-CWE-287
Improper Authentication
CVE-2023-47222
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-9.6||CRITICAL
EPSS-0.36% / 58.12%
||
7 Day CHG~0.00%
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Updated-05 Dec, 2025 | 21:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
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Action-Not Available
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Product-media_streaming_add-onMedia Streaming add-on media_streaming_add-on
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CWE ID-CWE-22
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CWE ID-CWE-287
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CVE-2023-45038
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-4.3||MEDIUM
EPSS-6.91% / 91.44%
||
7 Day CHG-1.63%
Published-06 Sep, 2024 | 16:26
Updated-28 Sep, 2024 | 23:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
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Action-Not Available
Vendor-QNAP Systems, Inc.
Product-music_stationMusic Station
CWE ID-CWE-287
Improper Authentication
CVE-2023-39303
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-5.3||MEDIUM
EPSS-0.20% / 41.17%
||
7 Day CHG~0.00%
Published-02 Feb, 2024 | 16:03
Updated-06 Sep, 2024 | 17:42
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
QTS, QuTS hero, QuTScloud

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Action-Not Available
Vendor-QNAP Systems, Inc.
Product-quts_heroqutscloudqtsQuTScloudQuTS heroQTSquts_heroqutscloudqts
CWE ID-CWE-287
Improper Authentication
CVE-2021-38679
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-6.5||MEDIUM
EPSS-0.20% / 41.58%
||
7 Day CHG~0.00%
Published-11 Feb, 2022 | 13:20
Updated-16 Sep, 2024 | 17:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Improper Authentication in Kazoo Server

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Action-Not Available
Vendor-QNAP Systems, Inc.
Product-kazoo_serverKazoo Server
CWE ID-CWE-287
Improper Authentication
CVE-2021-38688
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-7.1||HIGH
EPSS-0.21% / 42.91%
||
7 Day CHG~0.00%
Published-29 Dec, 2021 | 13:05
Updated-16 Sep, 2024 | 22:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Improper Authentication in Qfile

An improper authentication vulnerability has been reported to affect Android App Qfile. If exploited, this vulnerability allows attackers to compromise app and access information We have already fixed this vulnerability in the following versions of Qfile: Qfile 3.0.0.1105 and later

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-qfileQfile
CWE ID-CWE-287
Improper Authentication
CVE-2025-54154
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-6.9||MEDIUM
EPSS-0.05% / 16.74%
||
7 Day CHG~0.00%
Published-03 Oct, 2025 | 18:15
Updated-10 Dec, 2025 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
QNAP Authenticator

An improper authentication vulnerability has been reported to affect QNAP Authenticator. If an attacker gains physical access, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: QNAP Authenticator 1.3.1.1227 and later

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-authenticatorQNAP Authenticator
CWE ID-CWE-287
Improper Authentication
CVE-2025-52856
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-9.3||CRITICAL
EPSS-0.29% / 52.19%
||
7 Day CHG-0.00%
Published-29 Aug, 2025 | 17:17
Updated-26 Feb, 2026 | 17:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
VioStor

An improper authentication vulnerability has been reported to affect VioStor. If a remote attacker, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: VioStor 5.1.6 build 20250621 and later

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-qvrVioStor
CWE ID-CWE-287
Improper Authentication
CVE-2024-21899
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-9.8||CRITICAL
EPSS-11.41% / 93.61%
||
7 Day CHG~0.00%
Published-08 Mar, 2024 | 16:17
Updated-01 Aug, 2024 | 22:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
QTS, QuTS hero, QuTScloud

An improper authentication vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to compromise the security of the system via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QTS 4.5.4.2627 build 20231225 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-quts_heroqutscloudqtsQuTScloudQuTS heroQTSquts_heroqutscloudqts
CWE ID-CWE-287
Improper Authentication
CVE-2024-13088
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-5.2||MEDIUM
EPSS-0.07% / 20.48%
||
7 Day CHG~0.00%
Published-06 Jun, 2025 | 15:53
Updated-24 Sep, 2025 | 20:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
QHora

An improper authentication vulnerability has been reported to affect QHora. If an attacker gains local network access, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: QuRouter 2.5.0.140 and later

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-qurouterQuRouter
CWE ID-CWE-287
Improper Authentication
CVE-2017-7638
Matching Score-6
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-6
Assigner-QNAP Systems, Inc.
CVSS Score-6.5||MEDIUM
EPSS-0.19% / 40.03%
||
7 Day CHG~0.00%
Published-08 Mar, 2018 | 14:00
Updated-17 Sep, 2024 | 02:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

QNAP NAS application Media Streaming add-on version 421.1.0.2, 430.1.2.0, and earlier does not authenticate requests properly. Successful exploitation could lead to change of the Media Streaming settings, and leakage of sensitive information of the QNAP NAS.

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-qtsmedia_streaming_add-onQNAP Media Streaming Add-On
CWE ID-CWE-287
Improper Authentication
CVE-2007-5987
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-6.8||MEDIUM
EPSS-0.47% / 64.60%
||
7 Day CHG~0.00%
Published-15 Nov, 2007 | 00:00
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

details.php in BtiTracker before 1.4.5, when torrent viewing is disabled for guests, allows remote attackers to bypass protection mechanisms via a direct request, as demonstrated by (1) reading the details of an arbitrary torrent and (2) modifying a torrent owned by a guest.

Action-Not Available
Vendor-bti-trackern/a
Product-bti-trackern/a
CWE ID-CWE-287
Improper Authentication
CVE-2007-3988
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-6.8||MEDIUM
EPSS-1.45% / 80.86%
||
7 Day CHG+0.27%
Published-25 Jul, 2007 | 18:00
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

Session fixation vulnerability in Virtual Hosting Control System (VHCS) 2.4.7.1 and earlier allows remote attackers to hijack web sessions by setting the PHPSESSID parameter.

Action-Not Available
Vendor-virtual_hosting_control_systemn/a
Product-virtual_hosting_control_systemn/a
CWE ID-CWE-287
Improper Authentication
CVE-2026-33898
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.8||HIGH
EPSS-0.02% / 5.39%
||
7 Day CHG~0.00%
Published-26 Mar, 2026 | 23:25
Updated-01 Apr, 2026 | 16:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Local Incus UI web server vulnerable to nuthentication bypass

Incus is a system container and virtual machine manager. Prior to version 6.23.0, the web server spawned by `incus webui` incorrectly validates the authentication token such that an invalid value will be accepted. `incus webui` runs a local web server on a random localhost port. For authentication, it provides the user with a URL containing an authentication token. When accessed with that token, Incus creates a cookie persisting that token without needing to include it in subsequent HTTP requests. While the Incus client correctly validates the value of the cookie, it does not correctly validate the token when passed int the URL. This allows for an attacker able to locate and talk to the temporary web server on localhost to have as much access to Incus as the user who ran `incus webui`. This can lead to privilege escalation by another local user or an access to the user's Incus instances and possibly system resources by a remote attack able to trick the local user into interacting with the Incus UI web server. Version 6.23.0 patches the issue.

Action-Not Available
Vendor-linuxcontainerslxc
Product-incusincus
CWE ID-CWE-287
Improper Authentication
CVE-2022-33139
Matching Score-4
Assigner-Siemens
ShareView Details
Matching Score-4
Assigner-Siemens
CVSS Score-9.8||CRITICAL
EPSS-0.41% / 61.29%
||
7 Day CHG~0.00%
Published-21 Jun, 2022 | 00:00
Updated-03 Aug, 2024 | 08:01
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability has been identified in Cerberus DMS (All versions), Desigo CC (All versions), Desigo CC Compact (All versions), SIMATIC WinCC OA V3.16 (All versions in default configuration), SIMATIC WinCC OA V3.17 (All versions in non-default configuration), SIMATIC WinCC OA V3.18 (All versions in non-default configuration). Affected applications use client-side only authentication, when neither server-side authentication (SSA) nor Kerberos authentication is enabled. In this configuration, attackers could impersonate other users or exploit the client-server protocol without being authenticated.

Action-Not Available
Vendor-Siemens AG
Product-cerberus_dmsdesigo_ccdesigo_cc_compactwincc_open_architectureSIMATIC WinCC OA V3.17Desigo CC CompactSIMATIC WinCC OA V3.16SIMATIC WinCC OA V3.18Cerberus DMSDesigo CC
CWE ID-CWE-603
Use of Client-Side Authentication
CWE ID-CWE-287
Improper Authentication
CVE-2003-1475
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-6.8||MEDIUM
EPSS-0.64% / 70.46%
||
7 Day CHG~0.00%
Published-24 Oct, 2007 | 23:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Netbus 1.5 through 1.7 allows more than one client to be connected at the same time, but only prompts the first connection for authentication, which allows remote attackers to gain access.

Action-Not Available
Vendor-netbusn/a
Product-netbusn/a
CWE ID-CWE-287
Improper Authentication
CVE-2008-6128
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-6.8||MEDIUM
EPSS-0.54% / 67.51%
||
7 Day CHG~0.00%
Published-13 Feb, 2009 | 18:00
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

Session fixation vulnerability in moziloCMS 1.10.2 and earlier allows remote attackers to hijack web sessions by setting the PHPSESSID parameter.

Action-Not Available
Vendor-mozilon/a
Product-mozilocmsn/a
CWE ID-CWE-287
Improper Authentication
CVE-2003-1434
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-6.8||MEDIUM
EPSS-0.49% / 65.54%
||
7 Day CHG~0.00%
Published-23 Oct, 2007 | 01:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

login_ldap 3.1 and 3.2 allows remote attackers to initiate unauthenticated bind requests if (1) bind_anon_dn is on, which allows a bind with no password provided, (2) bind_anon_cred is on, which allows a bind with no DN, or (3) bind_anon is on, which allows a bind with no DN or password.

Action-Not Available
Vendor-pete_wernern/a
Product-login_ldapn/a
CWE ID-CWE-287
Improper Authentication
CVE-2018-6011
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-0.59% / 69.17%
||
7 Day CHG~0.00%
Published-01 Nov, 2018 | 17:00
Updated-05 Aug, 2024 | 05:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The time-based one-time-password (TOTP) function in the application logic of the Green Electronics RainMachine Mini-8 (2nd generation) uses the administrator's password hash to generate a 6-digit temporary passcode that can be used for remote and local access, aka a "Use of Password Hash Instead of Password for Authentication" issue. This is exploitable by an attacker who discovers a hash value in the rainmachine-settings.sqlite file.

Action-Not Available
Vendor-rainmachinen/a
Product-mini-8_firmwaremini-8n/a
CWE ID-CWE-287
Improper Authentication
CVE-2018-5403
Matching Score-4
Assigner-CERT/CC
ShareView Details
Matching Score-4
Assigner-CERT/CC
CVSS Score-8.1||HIGH
EPSS-4.67% / 89.37%
||
7 Day CHG~0.00%
Published-10 Jan, 2019 | 22:00
Updated-05 Aug, 2024 | 05:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Imperva SecureSphere gateway (GW) running v13, for both pre-First Time Login or post-First Time Login (FTL), if the attacker knows the basic authentication passwords, the GW may be vulnerable to RCE through specially crafted requests, from the web access management interface.

Action-Not Available
Vendor-impervaImperva
Product-securesphereSecureSphere
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE ID-CWE-287
Improper Authentication
CVE-2013-1200
Matching Score-4
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-4
Assigner-Cisco Systems, Inc.
CVSS Score-6.8||MEDIUM
EPSS-0.36% / 58.45%
||
7 Day CHG~0.00%
Published-16 May, 2013 | 01:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Session fixation vulnerability in Cisco Secure Access Control System (ACS) allows remote attackers to hijack web sessions via unspecified vectors, aka Bug ID CSCud95787.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-secure_access_control_systemn/a
CWE ID-CWE-287
Improper Authentication
CVE-2023-5246
Matching Score-4
Assigner-SICK AG
ShareView Details
Matching Score-4
Assigner-SICK AG
CVSS Score-8.8||HIGH
EPSS-1.59% / 81.73%
||
7 Day CHG~0.00%
Published-23 Oct, 2023 | 12:22
Updated-11 Sep, 2024 | 16:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Authentication Bypass by Capture-replay in SICK Flexi Soft Gateways with Partnumbers 1044073, 1127717, 1130282, 1044074, 1121597, 1099832, 1051432, 1127487, 1069070, 1112296, 1044072, 1121596, 1099830 allows an unauthenticated remote attacker to potentially impact the availability, integrity and confidentiality of the gateways via an authentication bypass by capture-replay.

Action-Not Available
Vendor-SICK AG
Product-fx0-gmod00000fx0-gpnt00030fx0-gmod00010_firmwarefx0-gmod00030_firmwarefx0-gepr00000_firmwarefx0-gpnt00030_firmwarefx0-gmod00010fx0-gent00000_firmwarefx0-get00000_firmwarefx0-get00010_firmwarefx0-gpnt00010_firmwarefx0-gmod00030fx0-gmod00000_firmwarefx0-gent00030_firmwarefx0-get00010fx0-gent00030fx0-gpnt00000_firmwarefx0-gpnt00000fx0-gent00010_firmwarefx0-gepr00010fx0-get00000fx0-gent00010fx0-gpnt00010fx0-gepr00000fx0-gent00000fx0-gepr00010_firmwareFX3-GEPR00010FX0-GETC00010FX0-GMOD00000FX0-GPNT00010FX0-GPNT00000FX0-GENT00030FX0-GETC00000FX0-GMOD00010FX0-GPNT00030FX0-GMOD00030FX0-GENT00000FX3-GEPR00000FX0-GENT00010fx0-gpnt00010_firmwarefx0-getc00010fx0-gmod00000_firmwarefx3-gepr00000fx0-gent00030_firmwarefx3-gepr00010fx0-gmod00010_firmwarefx0-gpnt00000_firmwarefx0-gent00010_firmwarefx0-gmod00030_firmwarefx0-getc00000fx0-gpnt00030_firmwarefx0-gent00000_firmware
CWE ID-CWE-287
Improper Authentication
CVE-2020-4821
Matching Score-4
Assigner-IBM Corporation
ShareView Details
Matching Score-4
Assigner-IBM Corporation
CVSS Score-5.9||MEDIUM
EPSS-0.24% / 46.73%
||
7 Day CHG~0.00%
Published-16 Jul, 2021 | 16:50
Updated-17 Sep, 2024 | 00:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

IBM InfoSphere Data Replication 11.4 and IBM InfoSphere Change Data Capture for z/OS 10.2.1, under certain configurations, could allow a user to bypass authentication mechanisms using an empty password string. IBM X-Force ID: 189834

Action-Not Available
Vendor-IBM Corporation
Product-infosphere_change_data_captureinfosphere_data_replicationInfoSphere Data ReplicationInfoSphere Change Data Capture for z/OS
CWE ID-CWE-287
Improper Authentication
CVE-2022-25155
Matching Score-4
Assigner-Mitsubishi Electric Corporation
ShareView Details
Matching Score-4
Assigner-Mitsubishi Electric Corporation
CVSS Score-8.1||HIGH
EPSS-0.69% / 71.81%
||
7 Day CHG~0.00%
Published-01 Apr, 2022 | 22:17
Updated-03 Aug, 2024 | 04:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Use of Password Hash Instead of Password for Authentication vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U(C) CPU all versions, Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU all versions, Mitsubishi Electric MELSEC iQ-R series R00/01/02CPU all versions, Mitsubishi Electric MELSEC iQ-R series R04/08/16/32/120(EN)CPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120SFCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PCPU all versions, Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PSFCPU all versions, Mitsubishi Electric MELSEC iQ-R series RJ71GN11-T2 all versions, Mitsubishi Electric MELSEC iQ-R series RJ71GN11-EIP all versions, Mitsubishi Electric MELSEC iQ-R series RJ71C24(-R2/R4) all versions, Mitsubishi Electric MELSEC iQ-R series RJ71EN71 all versions, Mitsubishi Electric MELSEC iQ-R series RJ72GF15-T2 all versions, Mitsubishi Electric MELSEC Q series Q03UDECPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/10/13/20/26/50/100UDEHCPU all versions, Mitsubishi Electric MELSEC Q series Q03/04/06/13/26UDVCPU all versions, Mitsubishi Electric MELSEC Q series Q04/06/13/26UDPVCPU all versions, Mitsubishi Electric MELSEC Q series QJ71C24N(-R2/R4) all versions, Mitsubishi Electric MELSEC Q series QJ71E71-100 all versions, Mitsubishi Electric MELSEC Q series QJ72BR15 all versions, Mitsubishi Electric MELSEC Q series QJ72LP25(-25/G/GE) all versions, Mitsubishi Electric MELSEC L series L02/06/26CPU(-P) all versions, Mitsubishi Electric MELSEC L series L26CPU-(P)BT all versions, Mitsubishi Electric MELSEC L series LJ71C24(-R2) all versions, Mitsubishi Electric MELSEC L series LJ71E71-100 all versions and Mitsubishi Electric MELSEC L series LJ72GF15-T2 all versions allows a remote unauthenticated attacker to login to the product by replaying an eavesdropped password hash.

Action-Not Available
Vendor-n/aMitsubishi Electric Corporation
Product-fx5uj-24mt\/essfx5uc-32mt\/dss_firmwarefx5uj-24mt\/es_firmwarefx5uj-60mr\/es_firmwarefx5uj_firmwarefx5uj-60mt\/esfx5uj-60mt\/essfx5uc-32mt\/dss-tsfx5ucfx5uc-32mt\/dfx5uj-40mt\/es_firmwarefx5uj-60mt\/es_firmwarefx5uj-24mt\/ess_firmwarefx5uc-32mt\/ds-tsfx5ujfx5uc_firmwarefx5uj-60mr\/esfx5uj-60mt\/ess_firmwarefx5uj-24mr\/esfx5uc-32mr\/ds-ts_firmwarefx5uj-40mt\/ess_firmwarefx5uc-32mr\/ds-tsfx5uc-32mt\/dssfx5uj-40mr\/es_firmwarefx5uc-32mt\/ds-ts_firmwarefx5uj-24mr\/es_firmwarefx5uj-40mt\/essfx5uj-40mt\/esfx5uj-24mt\/esfx5uj-40mr\/esfx5uc-32mt\/dss-ts_firmwarefx5uc-32mt\/d_firmwareMitsubishi Electric MELSEC iQ-F series FX5U(C) CPU; Mitsubishi Electric MELSEC iQ-F series FX5UJ CPU; Mitsubishi Electric MELSEC iQ-R series R00/01/02CPU; Mitsubishi Electric MELSEC iQ-R series R04/08/16/32/120(EN)CPU; Mitsubishi Electric MELSEC iQ-R series R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PCPU; Mitsubishi Electric MELSEC iQ-R series R08/16/32/120PSFCPU; Mitsubishi Electric MELSEC iQ-R series RJ71GN11-T2; Mitsubishi Electric MELSEC iQ-R series RJ71GN11-EIP; Mitsubishi Electric MELSEC iQ-R series RJ71C24(-R2/R4); Mitsubishi Electric MELSEC iQ-R series RJ71EN71; Mitsubishi Electric MELSEC iQ-R series RJ72GF15-T2; Mitsubishi Electric MELSEC Q series Q03UDECPU; Mitsubishi Electric MELSEC Q series Q04/06/10/13/20/26/50/100UDEHCPU; Mitsubishi Electric MELSEC Q series Q03/04/06/13/26UDVCPU; Mitsubishi Electric MELSEC Q series Q04/06/13/26UDPVCPU; Mitsubishi Electric MELSEC Q series QJ71C24N(-R2/R4); Mitsubishi Electric MELSEC Q series QJ71E71-100; Mitsubishi Electric MELSEC Q series QJ72BR15; Mitsubishi Electric MELSEC Q series QJ72LP25(-25/G/GE); Mitsubishi Electric MELSEC L series L02/06/26CPU(-P); Mitsubishi Electric MELSEC L series L26CPU-(P)BT; Mitsubishi Electric MELSEC L series LJ71C24(-R2); Mitsubishi Electric MELSEC L series LJ71E71-100; Mitsubishi Electric MELSEC L series LJ72GF15-T2
CWE ID-CWE-287
Improper Authentication
CVE-2022-24883
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.4||HIGH
EPSS-0.94% / 76.30%
||
7 Day CHG~0.00%
Published-26 Apr, 2022 | 00:00
Updated-03 Nov, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
FreeRDP Server authentication might allow invalid credentials to pass

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 2.7.0, server side authentication against a `SAM` file might be successful for invalid credentials if the server has configured an invalid `SAM` file path. FreeRDP based clients are not affected. RDP server implementations using FreeRDP to authenticate against a `SAM` file are affected. Version 2.7.0 contains a fix for this issue. As a workaround, use custom authentication via `HashCallback` and/or ensure the `SAM` database path configured is valid and the application has file handles left.

Action-Not Available
Vendor-FreeRDPFedora Project
Product-fedorafreerdpFreeRDP
CWE ID-CWE-287
Improper Authentication
CVE-2022-23555
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-9.4||CRITICAL
EPSS-0.17% / 38.07%
||
7 Day CHG~0.00%
Published-28 Dec, 2022 | 00:12
Updated-11 Apr, 2025 | 15:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
authentik vulnerable to Improper Authentication via invitation URL token reuse

authentik is an open-source Identity Provider focused on flexibility and versatility. Versions prior to 2022.11.4 and 2022.10.4 are vulnerable to Improper Authentication. Token reuse in invitation URLs leads to access control bypass via the use of a different enrollment flow than in the one provided. The vulnerability allows an attacker that knows different invitation flows names (e.g. `enrollment-invitation-test` and `enrollment-invitation-admin`) via either different invite links or via brute forcing to signup via a single invitation url for any valid invite link received (it can even be a url for a third flow as long as it's a valid invite) as the token used in the `Invitations` section of the Admin interface does NOT change when a different `enrollment flow` is selected via the interface and it is NOT bound to the selected flow, so it will be valid for any flow when used. This issue is patched in authentik 2022.11.4,2022.10.4 and 2022.12.0. Only configurations that use invitations and have multiple enrollment flows with invitation stages that grant different permissions are affected. The default configuration is not vulnerable, and neither are configurations with a single enrollment flow. As a workaround, fixed data can be added to invitations which can be checked in the flow to deny requests. Alternatively, an identifier with high entropy (like a UUID) can be used as flow slug, mitigating the attack vector by exponentially decreasing the possibility of discovering other flows.

Action-Not Available
Vendor-goauthentikgoauthentik
Product-authentikauthentik
CWE ID-CWE-287
Improper Authentication
CVE-2022-23795
Matching Score-4
Assigner-Joomla! Project
ShareView Details
Matching Score-4
Assigner-Joomla! Project
CVSS Score-9.8||CRITICAL
EPSS-0.01% / 0.89%
||
7 Day CHG~0.00%
Published-30 Mar, 2022 | 15:20
Updated-25 Feb, 2026 | 05:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
[20220303] - Core - User row are not bound to a authentication mechanism

An issue was discovered in Joomla! 2.5.0 through 3.10.6 & 4.0.0 through 4.1.0. A user row was not bound to a specific authentication mechanism which could under very special circumstances allow an account takeover.

Action-Not Available
Vendor-Joomla!
Product-joomla\!Joomla! CMS
CWE ID-CWE-287
Improper Authentication
CVE-2018-1082
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-8.1||HIGH
EPSS-1.53% / 81.40%
||
7 Day CHG~0.00%
Published-04 Apr, 2018 | 21:00
Updated-16 Sep, 2024 | 16:43
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.

Action-Not Available
Vendor-Moodle Pty LtdRed Hat, Inc.
Product-moodleMoodle
CWE ID-CWE-285
Improper Authorization
CWE ID-CWE-287
Improper Authentication
CVE-2017-7557
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-8.8||HIGH
EPSS-0.00% / 0.15%
||
7 Day CHG~0.00%
Published-22 Aug, 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

dnsdist version 1.1.0 is vulnerable to a flaw in authentication mechanism for REST API potentially allowing CSRF attack.

Action-Not Available
Vendor-powerdnsRed Hat, Inc.
Product-dnsdistdnsdist
CWE ID-CWE-287
Improper Authentication
CWE ID-CWE-352
Cross-Site Request Forgery (CSRF)
CVE-2022-20798
Matching Score-4
Assigner-Cisco Systems, Inc.
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Matching Score-4
Assigner-Cisco Systems, Inc.
CVSS Score-9.8||CRITICAL
EPSS-1.31% / 79.91%
||
7 Day CHG~0.00%
Published-15 Jun, 2022 | 17:55
Updated-01 Nov, 2024 | 19:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability

A vulnerability in the external authentication functionality of Cisco Secure Email and Web Manager, formerly known as Cisco Security Management Appliance (SMA), and Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass authentication and log in to the web management interface of an affected device. This vulnerability is due to improper authentication checks when an affected device uses Lightweight Directory Access Protocol (LDAP) for external authentication. An attacker could exploit this vulnerability by entering a specific input on the login page of the affected device. A successful exploit could allow the attacker to gain unauthorized access to the web-based management interface of the affected device.

Action-Not Available
Vendor-Cisco Systems, Inc.
Product-secure_email_and_web_manageremail_security_applianceCisco Email Security Appliance (ESA)
CWE ID-CWE-287
Improper Authentication
CVE-2017-2914
Matching Score-4
Assigner-Talos
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Matching Score-4
Assigner-Talos
CVSS Score-9||CRITICAL
EPSS-0.54% / 67.68%
||
7 Day CHG~0.00%
Published-07 Nov, 2017 | 16:00
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

An exploitable authentication bypass vulnerability exists in the API daemon of Circle with Disney running firmware 2.0.1. A specially crafted token can bypass the authentication routine of the Apid binary, causing the device to grant unintended administrative access. An attacker needs network connectivity to the device to trigger this vulnerability.

Action-Not Available
Vendor-meetcircleCircle Media
Product-circle_with_disneycircle_with_disney_firmwareCircle
CWE ID-CWE-287
Improper Authentication
CVE-2022-0916
Matching Score-4
Assigner-Logitech
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Matching Score-4
Assigner-Logitech
CVSS Score-8.4||HIGH
EPSS-0.13% / 31.50%
||
7 Day CHG~0.00%
Published-03 May, 2022 | 13:40
Updated-17 Sep, 2024 | 02:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Broken authentication on Logitech Options due to misvalidation of Oauth state parameter

An issue was discovered in Logitech Options. The OAuth 2.0 state parameter was not properly validated. This leaves applications vulnerable to CSRF attacks during authentication and authorization operations.

Action-Not Available
Vendor-logitechLogitech
Product-optionsOptions
CWE ID-CWE-287
Improper Authentication
CWE ID-CWE-352
Cross-Site Request Forgery (CSRF)
CVE-2022-0730
Matching Score-4
Assigner-Red Hat, Inc.
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Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-9.8||CRITICAL
EPSS-0.30% / 53.58%
||
7 Day CHG~0.00%
Published-03 Mar, 2022 | 00:00
Updated-02 Aug, 2024 | 23:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Under certain ldap conditions, Cacti authentication can be bypassed with certain credential types.

Action-Not Available
Vendor-n/aDebian GNU/LinuxFedora ProjectThe Cacti Group, Inc.
Product-cactidebian_linuxfedoraCati
CWE ID-CWE-287
Improper Authentication
CVE-2017-18223
Matching Score-4
Assigner-MITRE Corporation
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Matching Score-4
Assigner-MITRE Corporation
CVSS Score-8.1||HIGH
EPSS-0.35% / 57.24%
||
7 Day CHG~0.00%
Published-10 Mar, 2018 | 22:00
Updated-05 Aug, 2024 | 21:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

BMC Remedy AR System before 9.1 SP3, when Remedy AR Authentication is enabled, allows attackers to obtain administrative access.

Action-Not Available
Vendor-bmcn/a
Product-remedy_action_request_systemn/a
CWE ID-CWE-287
Improper Authentication
CVE-2021-43935
Matching Score-4
Assigner-Cybersecurity and Infrastructure Security Agency (CISA) Industrial Control Systems (ICS)
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Matching Score-4
Assigner-Cybersecurity and Infrastructure Security Agency (CISA) Industrial Control Systems (ICS)
CVSS Score-8.1||HIGH
EPSS-0.20% / 41.33%
||
7 Day CHG~0.00%
Published-15 Dec, 2021 | 18:05
Updated-16 Sep, 2024 | 23:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
ICSMA-21-343-01 Hillrom Welch Allyn Cardio Products

The impacted products, when configured to use SSO, are affected by an improper authentication vulnerability. This vulnerability allows the application to accept manual entry of any active directory (AD) account provisioned in the application without supplying a password, resulting in access to the application as the supplied AD account, with all associated privileges.

Action-Not Available
Vendor-Hill-Rom Holdings, Inc.Baxter International, Inc.
Product-welch_allyn_q-stress_cardiac_stress_testing_systemwelch_allyn_connex_cardiowelch_allyn_q-stress_cardiac_stress_testing_system_firmwarewelch_allyn_hscribe_holter_analysis_systemwelch_allyn_diagnostic_cardiology_suitewelch_allyn_xscribe_cardiac_stress_testing_systemwelch_allyn_vision_express_holter_analysis_systemwelch_allyn_xscribe_cardiac_stress_testing_system_firmwarewelch_allyn_rscribe_resting_ecg_systemwelch_allyn_hscribe_holter_analysis_system_firmwareWelch Allyn R-Scribe Resting ECG SystemWelch Allyn H-Scribe Holter Analysis SystemWelch Allyn X-Scribe Cardiac Stress Testing SystemWelch Allyn Vision ExpressWelch Allyn Connex CardioWelch Allyn Diagnostic Cardiology SuiteWelch Allyn Q-Stress Cardiac Stress Testing System
CWE ID-CWE-288
Authentication Bypass Using an Alternate Path or Channel
CWE ID-CWE-287
Improper Authentication
CVE-2017-16590
Matching Score-4
Assigner-Zero Day Initiative
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Matching Score-4
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.14% / 84.31%
||
7 Day CHG~0.00%
Published-23 Jan, 2018 | 01:00
Updated-05 Aug, 2024 | 20:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows remote attackers to bypass authentication on vulnerable installations of NetGain Systems Enterprise Manager 7.2.699 build 1001. User interaction is required to exploit this vulnerability. The specific flaw exists within the MainFilter servlet. The issue results from the lack of proper string matching inside the doFilter method. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of Administrator. Was ZDI-CAN-5099.

Action-Not Available
Vendor-netgain-systemsNetGain Systems
Product-enterprise_managerNetGain Systems Enterprise Manager
CWE ID-CWE-289
Authentication Bypass by Alternate Name
CWE ID-CWE-287
Improper Authentication
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