CVE-2021-31962 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9.4 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
microsoft	CNA	9.4 CRITICAL				CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C

Base Score

CVSS 3.x

EPSS Score

Percentile: 95%

Affected Products (NVD)

Vendor	Product	Version
microsoft	windows_10	-
microsoft	windows_7	-
microsoft	windows_8.1	-
microsoft	windows_rt_8.1	-
microsoft	windows_server_2012	-
microsoft	windows_server_2016	-
microsoft	windows_server_2019	-

𝑥

= Vulnerable software versions

Windows Releases

Platform

Version

Windows 10

(x64, x86)	KB5003687
1607 (x64, x86)	KB5003638
1809 (arm64, x64, x86)	KB5003646
1909 (arm64, x64, x86)	KB5003635
2004 (arm64, x64, x86)	KB5003637
20H2 (arm64, x86)	KB5003637
21H1 (arm64, x64, x86)	KB5003637

Windows 7

Service Pack 1 (x64, x86)

Windows 8.1

(x64, x86)

Windows RT 8.1

All

Windows Server

2004 Server Core	KB5003637
20H2 Server Core	KB5003637

Windows Server 2008

Service Pack 2 (x64, x86)	KB5003695
Service Pack 2 Server Core (x64, x86)	KB5003695

Windows Server 2008 R2

Service Pack 1 (x64)	KB5003694
Service Pack 1 Server Core (x64)	KB5003694

Windows Server 2012

Server Core	KB5003697
Standard	KB5003697

Windows Server 2012 R2

Server Core	KB5003681
Standard	KB5003681

Windows Server 2016

Server Core	KB5003638
Standard	KB5003638

Windows Server 2019

Server Core	KB5003646
Standard	KB5003646

References

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

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

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

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