CVE-2021-31166 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	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
microsoft	CNA	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
CVE	ADP	---				---
CISA-ADP	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 99%

Vendor	Product	Version
microsoft	windows_10_2004	𝑥 < 10.0.19041.982
microsoft	windows_10_20h2	𝑥 < 10.0.19042.982
microsoft	windows_server_2004	𝑥 < 10.0.19041.982
microsoft	windows_server_20h2	𝑥 < 10.0.19042.982

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-416 - Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

References

http://packetstormsecurity.com/files/162722/Microsoft-HTTP-Protocol-Stack-Remote-Code-Execution.html

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31166

http://packetstormsecurity.com/files/162722/Microsoft-HTTP-Protocol-Stack-Remote-Code-Execution.html

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31166

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31166