CVE-2022-21907

EUVD-2022-27063
HTTP Protocol Stack Remote Code Execution Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_11
-
microsoftwindows_11
-
microsoftwindows_server_2019
-
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
1809 (arm64, x64, x86)
KB5009557
20H2 (arm64, x86)
KB5009543
21H1 (arm64, x64, x86)
KB5009543
21H2 (arm64, x64, x86)
KB5009543
Windows 11
21H2 (arm64, x64)
KB5009566
Windows Server
20H2 Server Core
KB5009543
Windows Server 2019
Server Core
KB5009557
Standard
KB5009557
Windows Server 2022
Server Core
KB5009555
Standard
KB5009555
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21907
http://packetstormsecurity.com/files/166730/Microsoft-HTTP-Protocol-Stack-Denial-Of-Service.html
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21907