Microsoft Forefront TMG Remote Code Execution Vulnerability (CVE-2011-1889)
Severity: critical · Patch status: patched · Since 2022-03-03 · CVE-2011-1889
A remote code execution vulnerability exists in the Forefront Threat Management Gateway (TMG) Firewall Client Winsock provider that could allow code execution in the security context of the client application. CISA added CVE-2011-1889 to its Known Exploited Vulnerabilities catalog on Mar 3, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Mar 24, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch