CVE-2011-2012

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."

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 19.03% Top 10%
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2011-2012?
CVE-2011-2012 has been scored as a medium severity vulnerability.
How to fix CVE-2011-2012?
To fix CVE-2011-2012, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2012 being actively exploited in the wild?
It is possible that CVE-2011-2012 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~19% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.