CVE-2011-1889
Actively exploited. CVE-2011-1889 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- A remote code execution vulnerability exists in the Forefront Threat Management Gateway.
- Who is affected
- Users of Microsoft Forefront TMG are affected by this vulnerability.
- Urgency
- Remediation is urgent due to the critical nature of the vulnerability and its exploitation status.
- Action
- Install the latest updates for Forefront TMG to address the vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2011-1889: Microsoft Forefront TMG Remote Code Execution Vulnerabilitycisa-kev · 2022-03-03
External references
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