What’s Vulnerable › Vulnerabilities

CVE-2011-2012

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-10-12 · updated 2026-06-16
• Weakness: CWE-20

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."

Affected products

• Microsoft Forefront Unified Access Gateway: 2010, 2010-sp1, 2010-update1, 2010-update2

References

• http://www.securityfocus.com/bid/49980
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799
• http://www.securityfocus.com/bid/49980
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799

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