CVE-2021-36942 — Microsoft Windows Local Security Authority (LSA) Spoofing Vulnerability

Known ransomware use CISA KEV listed Added November 3, 2021 Remediate by November 17, 2021

Description

Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability allowing an unauthenticated attacker to call a method on the LSARPC interface and coerce the domain controller to authenticate against another server using NTLM.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-36942

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