CVE-2021-31979 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.8 HIGH	LOCAL	LOW	LOW	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoft	CNA	7.8 HIGH				CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CISA-ADP	ADP	7.8 HIGH	LOCAL	LOW	LOW	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 93%

Affected Products (NVD)

Vendor	Product	Version
microsoft	windows_10_1507	𝑥 < 10.0.10240.19003
microsoft	windows_10_1607	𝑥 < 10.0.14393.4530
microsoft	windows_10_1809	𝑥 < 10.0.17763.2061
microsoft	windows_10_1909	𝑥 < 10.0.18363.1679
microsoft	windows_10_2004	𝑥 < 10.0.19041.1110
microsoft	windows_10_20h2	𝑥 < 10.0.19042.1110
microsoft	windows_10_21h1	𝑥 < 10.0.19043.1110
microsoft	windows_7	-
microsoft	windows_8.1	-
microsoft	windows_rt_8.1	-
microsoft	windows_server_2004	𝑥 < 10.0.19041.1110
microsoft	windows_server_2008	-
microsoft	windows_server_2012	-
microsoft	windows_server_2016	𝑥 < 10.0.14393.4530
microsoft	windows_server_2019	𝑥 < 10.0.17763.2061
microsoft	windows_server_20h2	𝑥 < 10.0.19042.1110

𝑥

= Vulnerable software versions

Windows Releases

Platform

Version

Windows 10

(x64, x86)	KB5004249
1607 (x64, x86)	KB5004238
1809 (arm64, x64, x86)	KB5004244
1909 (arm64, x64, x86)	KB5004245
2004 (arm64, x64, x86)	KB5004237
20H2 (arm64, x64, x86)	KB5004237
21H1 (arm64, x64, x86)	KB5004237

Windows 7

Service Pack 1 (x64, x86)

Windows 8.1

(x64, x86)

Windows RT 8.1

All

Windows Server

2004 Server Core	KB5004237
20H2 Server Core	KB5004237

Windows Server 2008

Service Pack 2 (x64, x86)	KB5004305
Service Pack 2 Server Core (x64, x86)	KB5004305

Windows Server 2008 R2

Service Pack 1 (x64)	KB5004307
Service Pack 1 Server Core (x64)	KB5004307

Windows Server 2012

Server Core	KB5004302
Standard	KB5004302

Windows Server 2012 R2

Server Core	KB5004298
Standard	KB5004298

Windows Server 2016

Server Core	KB5004238
Standard	KB5004238

Windows Server 2019

Server Core	KB5004244
Standard	KB5004244

Common Weakness Enumeration

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31979

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31979

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31979