CVE-2021-36942

high

Description

Windows LSA Spoofing Vulnerability

References

https://www.edgescan.com/wp-content/uploads/2024/03/2023-Vulnerability-Statistics-Report.pdf

https://www.darkreading.com/application-security/microsoft-ntlm-zero-day-remain-unpatched-april

https://www.tenable.com/cyber-exposure/tenable-2022-threat-landscape-report

https://www.tenable.com/cyber-exposure/a-look-inside-the-ransomware-ecosystem

https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective

https://web.archive.org/web/20211025233339/https://twitter.com/pancak3lullz/status/1452679527197560837

https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/lockfile-ransomware-new-petitpotam-windows

https://www.fortiguard.com/threat-signal-report/4121/brand-new-lockfile-ransomware-distributed-through-proxyshell-and-petitpotam

https://www.tenable.com/blog/microsofts-may-2022-patch-tuesday-addresses-73-cves-cve-2022-26925

https://www.tenable.com/blog/behind-the-scenes-how-we-picked-2021s-top-vulnerabilities-and-what-we-left-out

https://www.tenable.com/blog/microsoft-s-august-2021-patch-tuesday-addresses-44-cves-cve-2021-26424-cve-2021-36948

https://www.kb.cert.org/vuls/id/405600

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942

Details

Source: Mitre, NVD

Published: 2021-08-12

Updated: 2024-07-26

Named Vulnerability: PetitPotamNamed Vulnerability: EfsPotatoKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.93623