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CVE-2011-1889

9.8 · CRITICALActively Exploited

The NSPLookupServiceNext function in the client in Microsoft Forefront Threat Management Gateway (TMG) 2010 allows remote attackers to execute arbitrary code via vectors involving unspecified reque…

Published Jun 16, 2011microsoftCWE-119EPSS 49.02%

Overview

CVE-2011-1889 is a critical-severity vulnerability affecting microsoft forefront_threat_management_gateway. It was published on June 16, 2011 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

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

The NSPLookupServiceNext function in the client in Microsoft Forefront Threat Management Gateway (TMG) 2010 allows remote attackers to execute arbitrary code via vectors involving unspecified requests, aka "TMG Firewall Client Memory Corruption Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update forefront_threat_management_gateway 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

Refsecunia.com/advisories/44857Refwww.securityfocus.com/bid/48181Refwww.securitytracker.com/id?1025637Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040Refexchange.xforce.ibmcloud.com/vulnerabilities/67736Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12642Refsecunia.com/advisories/44857Refwww.securityfocus.com/bid/48181Refwww.securitytracker.com/id?1025637Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1889?

CVE-2011-1889 is a critical-severity vulnerability affecting microsoft forefront_threat_management_gateway. It was published on June 16, 2011 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2011-1889?

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-2011-1889?

Check the references section for vendor advisories and patches from microsoft. Update forefront_threat_management_gateway 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-2011-1889?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1889 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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