CVE-2011-2012

medium Microsoft
CVSS v3 Base Score
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Score
18.2%
Exploitation probability in 30 days
Top 5% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P
Published: October 12, 2011 (5329 days ago)
Last Modified: April 29, 2026
Vendor: Microsoft
Source: NVD

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."

CWE

CWE-20

Affected Products

microsoft forefront unified access gateway

References

🔗 www.securityfocus.com 🔗 docs.microsoft.com 🔗 oval.cisecurity.org 🔗 www.securityfocus.com 🔗 docs.microsoft.com