# CVE-2011-1889

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."

- Page: https://www.vulneraibility.com/cve/CVE-2011-1889
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-03-03; CISA due date 2022-03-24
- EPSS: 49.02% (percentile 98.9)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-10)
- Weakness: CWE-119
- Published: 2011-06-16

## Affected

- microsoft:forefront_threat_management_gateway

## References

- [other] http://www.securitytracker.com/id?1025637
- [advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040
- [other] https://exchange.xforce.ibmcloud.com/vulnerabilities/67736
- [other] http://www.securityfocus.com/bid/48181
- [advisory] http://secunia.com/advisories/44857
- [other] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12642
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1889

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.