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CVE-2011-2013

9.8 · CRITICAL

Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code b…

Published Nov 8, 2011microsoftCWE-189EPSS 32.34%

Overview

CVE-2011-2013 is a critical-severity vulnerability affecting microsoft windows_7. It was published on November 8, 2011 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka "Reference Counter Overflow Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_7 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.securitytracker.com/id?1026290Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-083Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13877Refwww.securitytracker.com/id?1026290Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-083Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13877

How CyberStrike helps

Frequently asked questions

What is CVE-2011-2013?

CVE-2011-2013 is a critical-severity vulnerability affecting microsoft windows_7. It was published on November 8, 2011 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2011-2013?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-2013?

Check the references section for vendor advisories and patches from microsoft. Update windows_7 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-2013?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-2013 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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