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Vulnerability Details :

CVE-2021-29951

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-24 Jun, 2021 | 13:18
Updated At-03 Aug, 2024 | 22:18
Rejected At-
Credits

The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network, grants normal remote users access to start or stop the service. This could be used to prevent the browser update service from operating (if an attacker spammed the 'Stop' command); but also exposed attack surface in the maintenance service. *Note: This issue only affected Windows operating systems older than Win 10 build 1709. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.10.1, Firefox < 87, and Firefox ESR < 78.10.1.

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:mozilla
Assigner Org ID:f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At:24 Jun, 2021 | 13:18
Updated At:03 Aug, 2024 | 22:18
Rejected At:
▼CVE Numbering Authority (CNA)

The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network, grants normal remote users access to start or stop the service. This could be used to prevent the browser update service from operating (if an attacker spammed the 'Stop' command); but also exposed attack surface in the maintenance service. *Note: This issue only affected Windows operating systems older than Win 10 build 1709. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.10.1, Firefox < 87, and Firefox ESR < 78.10.1.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Affected
  • From unspecified before 78.10.1 (custom)
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Affected
  • From unspecified before 87 (custom)
Vendor
Mozilla CorporationMozilla
Product
Firefox ESR
Versions
Affected
  • From unspecified before 78.10.1 (custom)
Problem Types
TypeCWE IDDescription
textN/AMozilla Maintenance Service could have been started or stopped by domain users
Type: text
CWE ID: N/A
Description: Mozilla Maintenance Service could have been started or stopped by domain users
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.mozilla.org/security/advisories/mfsa2021-10/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-18/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-19/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1690062
x_refsource_MISC
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-10/
Resource:
x_refsource_MISC
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-18/
Resource:
x_refsource_MISC
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-19/
Resource:
x_refsource_MISC
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1690062
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.mozilla.org/security/advisories/mfsa2021-10/
x_refsource_MISC
x_transferred
https://www.mozilla.org/security/advisories/mfsa2021-18/
x_refsource_MISC
x_transferred
https://www.mozilla.org/security/advisories/mfsa2021-19/
x_refsource_MISC
x_transferred
https://bugzilla.mozilla.org/show_bug.cgi?id=1690062
x_refsource_MISC
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-10/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-18/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-19/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1690062
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:24 Jun, 2021 | 14:15
Updated At:12 Jul, 2022 | 17:42

The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network, grants normal remote users access to start or stop the service. This could be used to prevent the browser update service from operating (if an attacker spammed the 'Stop' command); but also exposed attack surface in the maintenance service. *Note: This issue only affected Windows operating systems older than Win 10 build 1709. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.10.1, Firefox < 87, and Firefox ESR < 78.10.1.

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:N/UI:N/S:U/C:L/I:L/A:N
Primary2.06.4MEDIUM
AV:N/AC:L/Au:N/C:P/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:N/UI:N/S:U/C:L/I:L/A:N
Type: Primary
Version: 2.0
Base score: 6.4
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:N
CPE Matches

Mozilla Corporation
mozilla
>>firefox>>Versions before 87.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox_esr>>Versions before 78.10.1(exclusive)
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 78.10.1(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Microsoft Corporation
microsoft
>>windows>>-
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-269Primarynvd@nist.gov
CWE ID: CWE-269
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1690062security@mozilla.org
Issue Tracking
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-10/security@mozilla.org
Release Notes
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-18/security@mozilla.org
Release Notes
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-19/security@mozilla.org
Release Notes
Vendor Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1690062
Source: security@mozilla.org
Resource:
Issue Tracking
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-10/
Source: security@mozilla.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-18/
Source: security@mozilla.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-19/
Source: security@mozilla.org
Resource:
Release Notes
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-8
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Matching Score-8
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CVSS Score-6.5||MEDIUM
EPSS-0.18% / 7.88%
||
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Rejected-Not Available
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Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdThunderbird
CWE ID-CWE-79
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CVE-2026-53899
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.10% / 0.87%
||
7 Day CHG~0.00%
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Rejected-Not Available
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Action-Not Available
Vendor-Mozilla Corporation
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CWE ID-CWE-345
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CVE-2023-36409
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.91% / 55.91%
||
7 Day CHG~0.00%
Published-06 Nov, 2023 | 23:12
Updated-14 Apr, 2025 | 22:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-edge_chromiumMicrosoft Edge (Chromium-based)
CVE-2026-50302
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-4.2||MEDIUM
EPSS-0.24% / 14.67%
||
7 Day CHG~0.00%
Published-14 Jul, 2026 | 17:06
Updated-20 Jul, 2026 | 23:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Cryptographic Services Security Feature Bypass Vulnerability

Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to bypass a security feature over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_11_24h2windows_10_22h2windows_server_2022windows_10_21h2windows_server_2025windows_11_25h2windows_11_26h1Windows 10 Version 21H2Windows 11 Version 25H2Windows 10 Version 22H2Windows Server 2022Windows Server 2025 (Server Core installation)Windows 11 version 26H1Windows Server 2025Windows 11 Version 24H2
CWE ID-CWE-295
Improper Certificate Validation
CVE-2025-53774
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.59% / 44.25%
||
7 Day CHG~0.00%
Published-07 Aug, 2025 | 21:01
Updated-26 Feb, 2026 | 17:49
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-365_copilot_chatMicrosoft 365 Copilot's Business Chat
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CVE-2012-4196
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.4||MEDIUM
EPSS-3.29% / 87.12%
||
7 Day CHG~0.00%
Published-29 Oct, 2012 | 18:00
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

Mozilla Firefox before 16.0.2, Firefox ESR 10.x before 10.0.10, Thunderbird before 16.0.2, Thunderbird ESR 10.x before 10.0.10, and SeaMonkey before 2.13.2 allow remote attackers to bypass the Same Origin Policy and read the Location object via a prototype property-injection attack that defeats certain protection mechanisms for this object.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla Corporation
Product-thunderbirdfirefoxubuntu_linuxseamonkeylinux_enterprise_desktopenterprise_linux_serverenterprise_linux_workstationthunderbird_esrenterprise_linux_desktoplinux_enterprise_serverenterprise_linux_euslinux_enterprise_software_development_kitopensusen/a
CWE ID-CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVE-2025-53771
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.5||MEDIUM
EPSS-99.91% / 99.97%
||
7 Day CHG~0.00%
Published-20 Jul, 2025 | 22:16
Updated-13 Feb, 2026 | 19:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Microsoft SharePoint Server Spoofing Vulnerability

Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-sharepoint_serverMicrosoft SharePoint Enterprise Server 2016Microsoft SharePoint Server 2019Microsoft SharePoint Server Subscription Edition
CWE ID-CWE-287
Improper Authentication
CVE-2026-32201
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.5||MEDIUM
EPSS-21.48% / 97.34%
||
7 Day CHG-1.33%
Published-14 Apr, 2026 | 16:58
Updated-19 Jun, 2026 | 16:08
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 - 2026-04-28||Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Microsoft SharePoint Server Spoofing Vulnerability

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-sharepoint_serverMicrosoft SharePoint Server 2019Microsoft SharePoint Server Subscription EditionMicrosoft SharePoint Enterprise Server 2016SharePoint Server
CWE ID-CWE-20
Improper Input Validation
CVE-2023-34367
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.5||MEDIUM
EPSS-1.23% / 65.71%
||
7 Day CHG~0.00%
Published-14 Jun, 2023 | 00:00
Updated-06 Jan, 2025 | 18:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Windows until Windows 8) and in any implementation of TCP/IP, which is vulnerable to the Idle scan attack (including many IoT devices). NOTE: The vendor considers this a low severity issue.

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-windows_7n/a
CWE ID-CWE-287
Improper Authentication
CVE-2025-5271
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.26% / 17.25%
||
7 Day CHG~0.00%
Published-27 May, 2025 | 12:29
Updated-13 Apr, 2026 | 15:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Devtools' preview ignored CSP headers

Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability was fixed in Firefox 139 and Thunderbird 139.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxThunderbirdFirefox
CWE ID-CWE-116
Improper Encoding or Escaping of Output
CVE-2019-1109
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-9.1||CRITICAL
EPSS-4.24% / 89.94%
||
7 Day CHG~0.00%
Published-29 Jul, 2019 | 14:08
Updated-04 Aug, 2024 | 18:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A spoofing vulnerability exists when Microsoft Office Javascript does not check the validity of the web page making a request to Office documents.An attacker who successfully exploited this vulnerability could read or write information in Office documents.The security update addresses the vulnerability by correcting the way that Microsoft Office Javascript verifies trusted web pages., aka 'Microsoft Office Spoofing Vulnerability'.

Action-Not Available
Vendor-Microsoft Corporation
Product-office_365officeMicrosoft OfficeOffice 365 ProPlus
CWE ID-CWE-20
Improper Input Validation
CVE-2026-24297
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.35% / 26.99%
||
7 Day CHG~0.00%
Published-10 Mar, 2026 | 17:04
Updated-19 Jun, 2026 | 18:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Kerberos Security Feature Bypass Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kerberos allows an unauthorized attacker to bypass a security feature over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_10_1607windows_10_22h2windows_server_2016windows_server_2012windows_10_21h2windows_10_1809windows_server_2019Windows Server 2016Windows Server 2012 R2Windows Server 2012Windows 10 Version 1607Windows Server 2012 R2 (Server Core installation)Windows 10 Version 22H2Windows 10 Version 21H2Windows Server 2016 (Server Core installation)Windows Server 2019Windows Server 2019 (Server Core installation)Windows 10 Version 1809Windows Server 2012 (Server Core installation)
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2011-2139
Matching Score-8
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-8
Assigner-Adobe Systems Incorporated
CVSS Score-6.4||MEDIUM
EPSS-5.40% / 91.80%
||
7 Day CHG~0.00%
Published-10 Aug, 2011 | 22:00
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

Adobe Flash Player before 10.3.183.5 on Windows, Mac OS X, Linux, and Solaris and before 10.3.186.3 on Android, and Adobe AIR before 2.7.1 on Windows and Mac OS X and before 2.7.1.1961 on Android, allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via unspecified vectors.

Action-Not Available
Vendor-n/aApple Inc.Sun Microsystems (Oracle Corporation)Google LLCLinux Kernel Organization, IncMicrosoft CorporationAdobe Inc.
Product-adobe_airmac_os_xsunoswindowsflash_playerandroidlinux_kerneln/a
CVE-2026-21527
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.5||MEDIUM
EPSS-7.68% / 93.93%
||
7 Day CHG~0.00%
Published-10 Feb, 2026 | 17:51
Updated-15 Jun, 2026 | 19:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Microsoft Exchange Server Spoofing Vulnerability

User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-exchange_serverexchange_server_subscription_editionMicrosoft Exchange Server 2019 Cumulative Update 14Microsoft Exchange Server Subscription Edition RTMMicrosoft Exchange Server 2019 Cumulative Update 15Microsoft Exchange Server 2016 Cumulative Update 23
CWE ID-CWE-1286
Improper Validation of Syntactic Correctness of Input
CWE ID-CWE-345
Insufficient Verification of Data Authenticity
CWE ID-CWE-451
User Interface (UI) Misrepresentation of Critical Information
CVE-2011-0091
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.4||MEDIUM
EPSS-5.49% / 91.90%
||
7 Day CHG~0.00%
Published-10 Feb, 2011 | 15:00
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

Kerberos in Microsoft Windows Server 2008 R2 and Windows 7 does not prevent a session from changing from strong encryption to DES encryption, which allows man-in-the-middle attackers to spoof network traffic and obtain sensitive information via a DES downgrade, aka "Kerberos Spoofing Vulnerability."

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-windows_7windows_server_2008n/a
CWE ID-CWE-287
Improper Authentication
CVE-2026-21528
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.51% / 40.34%
||
7 Day CHG~0.00%
Published-10 Feb, 2026 | 17:51
Updated-11 May, 2026 | 21:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Azure IoT Explorer Information Disclosure Vulnerability

Binding to an unrestricted ip address in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-azure_iot_explorerAzure IoT Explorer
CWE ID-CWE-1327
Binding to an Unrestricted IP Address
CWE ID-CWE-668
Exposure of Resource to Wrong Sphere
CVE-2026-12302
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.25% / 16.14%
||
7 Day CHG~0.00%
Published-16 Jun, 2026 | 11:52
Updated-16 Jun, 2026 | 19:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Action-Not Available
Vendor-Mozilla Corporation
Product-ThunderbirdFirefox
CWE ID-CWE-693
Protection Mechanism Failure
CVE-2007-3144
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.4||MEDIUM
EPSS-1.23% / 65.72%
||
7 Day CHG~0.00%
Published-11 Jun, 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

Visual truncation vulnerability in Mozilla 1.7.12 allows remote attackers to spoof the address bar and possibly conduct phishing attacks via a long hostname, which is truncated after a certain number of characters, as demonstrated by a phishing attack using HTTP Basic Authentication.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-mozillan/a
CVE-2022-41294
Matching Score-8
Assigner-IBM Corporation
ShareView Details
Matching Score-8
Assigner-IBM Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.24% / 15.07%
||
7 Day CHG+0.01%
Published-06 Oct, 2022 | 17:15
Updated-16 Sep, 2024 | 16:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

IBM Robotic Process Automation 21.0.0, 21.0.1, 21.0.2, 21.0.3, and 21.0.4 is vulnerable to cross origin resource sharing using the bot api. IBM X-Force ID: 236807.

Action-Not Available
Vendor-Microsoft CorporationIBM Corporation
Product-windowsrobotic_process_automationRobotic Process Automation
CWE ID-CWE-346
Origin Validation Error
CVE-2010-1556
Matching Score-8
Assigner-HP Inc.
ShareView Details
Matching Score-8
Assigner-HP Inc.
CVSS Score-6.4||MEDIUM
EPSS-2.23% / 80.78%
||
7 Day CHG~0.00%
Published-14 May, 2010 | 20:00
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

Unspecified vulnerability in HP Systems Insight Manager (SIM) 5.3, 5.3 Update 1, and 6.0 allows remote attackers to obtain sensitive information and modify data via unknown vectors.

Action-Not Available
Vendor-n/aHP Inc.Microsoft CorporationLinux Kernel Organization, Inc
Product-systems_insight_managerwindowshp-uxlinux_kerneln/a
CVE-2010-0812
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.4||MEDIUM
EPSS-17.45% / 96.80%
||
7 Day CHG~0.00%
Published-14 Apr, 2010 | 15:44
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

Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to bypass intended IPv4 source-address restrictions via a mismatched IPv6 source address in a tunneled ISATAP packet, aka "ISATAP IPv6 Source Address Spoofing Vulnerability."

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-windows_server_2008windows_vistawindows_xpwindows_2003_serverwindows_server_2003n/a
CVE-2007-3109
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.4||MEDIUM
EPSS-10.86% / 95.37%
||
7 Day CHG~0.00%
Published-07 Jun, 2007 | 21:00
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

The CERN Image Map Dispatcher (htimage.exe) in Microsoft FrontPage allows remote attackers to determine the existence, and possibly partial contents, of arbitrary files under the web root via a relative pathname in the PATH_INFO.

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-frontpageofficen/a
CVE-2025-4086
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.26% / 17.44%
||
7 Day CHG+0.02%
Published-29 Apr, 2025 | 13:13
Updated-13 Apr, 2026 | 15:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Specially crafted filename could be used to obscure download type

A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. *This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138 and Thunderbird 138.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-451
User Interface (UI) Misrepresentation of Critical Information
CVE-2007-0779
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-6.4||MEDIUM
EPSS-1.55% / 72.31%
||
7 Day CHG~0.00%
Published-26 Feb, 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

GUI overlay vulnerability in Mozilla Firefox 1.5.x before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 allows remote attackers to spoof certain user interface elements, such as the host name or security indicators, via the CSS3 hotspot property with a large, transparent, custom cursor.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxseamonkeyn/a
CVE-2007-0802
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.4||MEDIUM
EPSS-2.03% / 78.88%
||
7 Day CHG~0.00%
Published-07 Feb, 2007 | 11:00
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

Mozilla Firefox 2.0.0.1 allows remote attackers to bypass the Phishing Protection mechanism by adding certain characters to the end of the domain name, as demonstrated by the "." and "/" characters, which is not caught by the Phishing List blacklist filter.

Action-Not Available
Vendor-n/aMozilla CorporationOpera
Product-firefoxopera_browsern/a
CWE ID-CWE-20
Improper Input Validation
CVE-2025-3031
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.28% / 20.26%
||
7 Day CHG~0.00%
Published-01 Apr, 2025 | 12:29
Updated-13 Apr, 2026 | 15:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
JIT optimization bug with different stack slot sizes

An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability was fixed in Firefox 137 and Thunderbird 137.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CVE-2025-24986
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.49% / 39.08%
||
7 Day CHG~0.00%
Published-11 Mar, 2025 | 16:58
Updated-13 Feb, 2026 | 19:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Azure Promptflow Remote Code Execution Vulnerability

Improper isolation or compartmentalization in Azure PromptFlow allows an unauthorized attacker to execute code over a network.

Action-Not Available
Vendor-Microsoft Corporation
Product-azure_promptflow_toolsazure_promptflow_coreAzure promptflow-toolsAzure promptflow-core
CWE ID-CWE-653
Improper Isolation or Compartmentalization
CVE-2006-5544
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.4||MEDIUM
EPSS-20.12% / 97.17%
||
7 Day CHG~0.00%
Published-26 Oct, 2006 | 17:00
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

Visual truncation vulnerability in Microsoft Internet Explorer 7 allows remote attackers to spoof the address bar and possibly conduct phishing attacks via a malicious URL containing non-breaking spaces (%A0), which causes the address bar to omit some characters from the URL.

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-ien/a
CVE-2006-5462
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-6.4||MEDIUM
EPSS-2.63% / 83.86%
||
7 Day CHG~0.00%
Published-08 Nov, 2006 | 21:00
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

Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5.0.8, Thunderbird before 1.5.0.8, and SeaMonkey before 1.0.6, when using an RSA key with exponent 3, does not properly handle extra data in a signature, which allows remote attackers to forge signatures for SSL/TLS and email certificates. NOTE: this identifier is for unpatched product versions that were originally intended to be addressed by CVE-2006-4340.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-thunderbirdfirefoxseamonkeynetwork_security_servicesn/a
CVE-2020-16971
Matching Score-8
Assigner-Microsoft Corporation
ShareView Details
Matching Score-8
Assigner-Microsoft Corporation
CVSS Score-7.4||HIGH
EPSS-3.59% / 88.16%
||
7 Day CHG~0.00%
Published-09 Dec, 2020 | 23:36
Updated-09 Jun, 2026 | 18:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Azure SDK for Java Security Feature Bypass Vulnerability

Azure SDK for Java Security Feature Bypass Vulnerability

Action-Not Available
Vendor-Microsoft Corporation
Product-azure_sdk_for_javaAzure SDKAzure SDK for Java
CVE-2006-3352
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.4||MEDIUM
EPSS-1.95% / 78.00%
||
7 Day CHG~0.00%
Published-06 Jul, 2006 | 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

Cross-domain vulnerability in Mozilla Firefox allows remote attackers to access restricted information from other domains via an object tag with a data parameter that references a link on the attacker's originating site that specifies a Location HTTP header that references the target site, which then makes that content available through the outerHTML attribute of the object. NOTE: this description was based on a report that has since been retracted by the original authors. The authors misinterpreted their test results. Other third parties also disputed the original report. Therefore, this is not a vulnerability. It is being assigned a candidate number to provide a clear indication of its status

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxn/a
CVE-2025-1938
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.31% / 23.31%
||
7 Day CHG~0.00%
Published-04 Mar, 2025 | 13:31
Updated-13 Apr, 2026 | 15:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8

Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-787
Out-of-bounds Write
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