Vulnerability Details : CVE-2021-31962

Kerberos AppContainer Security Feature Bypass Vulnerability

Published 2021-06-08 23:15:09

Updated 2023-08-01 23:15:14

Source Microsoft Corporation

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-31962

Probability of exploitation activity in the next 30 days: 0.40%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 70 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-31962

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	[email protected]
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	[email protected]
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
9.4	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L	3.9	5.5	[email protected]
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: Low

References for CVE-2021-31962

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31962

Patch;Vendor Advisory
http://packetstormsecurity.com/files/163206/Windows-Kerberos-AppContainer-Enterprise-Authentication-Capability-Bypass.html

Third Party Advisory;VDB Entry

CVEs referencing this url

Products affected by CVE-2021-31962

Microsoft » Windows Server 2008 » Version: R2 Update SP1 For X64
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
Matching versions
Microsoft » Windows Server 2008 » Version: SP2
cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:*:*
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Microsoft » Windows 7 » Version: N/A Update SP1
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
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Microsoft » Windows Server 2012 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2012 » Version: R2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
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Microsoft » Windows 8.1 » Version: N/A
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
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Microsoft » Windows Rt 8.1 » Version: N/A
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: N/A
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 1607
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: 1809
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: 1909
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 20h2
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: 2004
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: 21h1
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*
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Microsoft » Windows Server 2016 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: 20h2
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: 2004
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2019 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
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