Exploited· due 2022-03-24

CVE-2011-1889

Microsoft Forefront Threat Management Gateway (TMG)

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.

Exploitation status

  • CISA has confirmed this is being exploited in the wild. That is an observation of real attacks, not a prediction.
  • US federal civilian agencies are required to remediate it by 2022-03-24. That deadline does not bind private companies, but it is a reasonable benchmark for how urgently CISA views it.

Required action

Apply updates per vendor instructions.

CISA’s wording, unedited.

Scoring

CVSS
Not yet scored

Dates

Published
2022-03-03
Added to KEV
2022-03-03
Remediation due
2022-03-24
Sources
CISA KEV