The NSPLookupServiceNext function in the client in Microsoft Forefront Threat Management…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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."
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-03-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2011-1889
- 2026-10-03 Alias added: GHSA-v7xg-xv38-f34w
References
Patch 1
More Microsoft Forefront Threat Management Gateway vulnerabilities
- TI-2009-00071 The firewall engine in Microsoft Forefront Threat Management Gateway, Medium Business… CVSS 2.0MEDIUM 5.0
- TI-2009-00221 Cross-site scripting (XSS) vulnerability in cookieauth.dll in the HTML forms… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2011-1889 · CVE Program
- CVE-2011-1889 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-v7xg-xv38-f34w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences