EXPOSURES › CVE-2021-36942
CVE-2021-36942
CRITICAL ⌖ ON CISA KEV · EXPLOITED
DETAIL
⌖ EXPLOITED IN THE WILD
SHAME 80/100
ransomwareexploited-in-wild
A Microsoft Windows vulnerability allowed attackers to spoof the Local Security Authority and force domain controllers to authenticate against malicious servers using NTLM.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
PLAYERS IMPLICATED
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.
SENTIMENT · TRUSTED SOURCES
synthesis
severe-fallout
-0.70
Microsoft's handling of the CVE-2021-36942 vulnerability was met with criticism, with the U.S. Cybersecurity and Infrastructure Security Agency (CISA) highlighting its exploitation in known exploited
negative
"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."
negative
"Security Advisories and Bulletins | Microsoft Learn"
negative
"Petit Potam - NTLM Relay Attack | More knowledge with ProSec GmbH"
neutral
"The Microsoft Exploitability Index helps customers prioritize security update deployment by providing information on the likelihood that a vulnerability addressed in a Microsoft security update will be exploited."
negative
"A new SharePoint vulnerability is already being exploited | CSO Online"
negative
"Investigating a SharePoint Compromise: IR Tales from the Field | Rapid7 Blog"
AFFECTED FEDRAMP PRODUCTS · 4
| PRODUCT | STATUS |
|---|---|
| Azure Commercial Cloud Microsoft |
Authorized |
| Azure Government (includes Dynamics 365) Microsoft |
Authorized |
| Microsoft Office 365 GCC High Microsoft |
In Process |
| Office 365 Multi-Tenant & Supporting Services Microsoft |
Authorized |