CVE-2021-33742 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.5 HIGH	NETWORK	HIGH	NONE	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
microsoft	CNA	7.5 HIGH				CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

Base Score

CVSS 3.x

EPSS Score

Percentile: 98%

Affected Products (NVD)

Vendor	Product	Version
microsoft	windows_10_1507	𝑥 < 10.0.10240.18967
microsoft	windows_10_1607	𝑥 < 10.0.14393.4467
microsoft	windows_10_1809	𝑥 < 10.0.17763.1999
microsoft	windows_10_1909	𝑥 < 10.0.18363.1621
microsoft	windows_10_2004	𝑥 < 10.0.19041.1052
microsoft	windows_10_20h2	𝑥 < 10.0.19042.1052
microsoft	windows_10_21h1	𝑥 < 10.0.19043.1052
microsoft	windows_7	-
microsoft	windows_8.1	-
microsoft	windows_rt_8.1	-
microsoft	windows_server_2012	-
microsoft	windows_server_2016	𝑥 < 10.0.14393.4467
microsoft	windows_server_2019	𝑥 < 10.0.17763.1999

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)	KB5003667
Service Pack 1 (x64, x86)	KB5003636

Windows 8.1

(x64, x86)	KB5003671
(x64, x86)	KB5003636

Windows RT 8.1

All

Windows Server 2008

Service Pack 2 (x64, x86)	KB5003636
Service Pack 2 (x64, x86)	KB5003661

Windows Server 2008 R2

Service Pack 1 (x64)	KB5003667
Service Pack 1 (x64)	KB5003636

Windows Server 2012

Standard	KB5003636
Standard	KB5003697

Windows Server 2012 R2

Standard	KB5003671
Standard	KB5003636

Windows Server 2016

Standard

Windows Server 2019

Standard

Common Weakness Enumeration

CWE-787 - Out-of-bounds Write
The software writes data past the end, or before the beginning, of the intended buffer.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33742

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33742

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33742