VULNERABILITY INTELLIGENCE
CVE-2011-2012
CVSS score5 MEDIUM
EPSS probability16.59%
CISA KEVNot currently listed
Published2011-10-12
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
Description
Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka "Null Session Cookie Crash."
Weakness classification
- CWE-20: Improper Input Validation