The firewall engine in Microsoft Forefront Threat Management Gateway, Medium Business…
Priority MEDIUM 63Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The firewall engine in Microsoft Forefront Threat Management Gateway, Medium Business Edition (TMG MBE); and Internet Security and Acceleration (ISA) Server 2004 SP3, 2006, 2006 Supportability Update, and 2006 SP1; does not properly manage the session state of web listeners, which allows remote attackers to cause a denial of service (many stale sessions) via crafted packets, aka "Web Proxy TCP State Limited Denial of Service Vulnerability."
Why it matters now
EPSS 0.78496 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:forefront_threat_management_gateway:-:-:medium_business:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2004:sp3:enterprise:*:*:*:*:* | 2004 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2004:sp3:standard:*:*:*:*:* | 2004 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2006:sp1:*:*:*:*:*:* | 2006 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2006:supportability:*:*:*:*:*:* | 2006 supportability | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:forefront_threat_management_gateway:-:-:medium_business:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2004:sp3:enterprise:*:*:*:*:* Versions 2004 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2004:sp3:standard:*:*:*:*:* Versions 2004 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2006:sp1:*:*:*:*:*:* Versions 2006 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_security_and_acceleration_server:2006:supportability:*:*:*:*:*:* Versions 2006 supportability Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-0077
- 2026-10-03 Alias added: GHSA-9rc2-2223-5qcp
References
More Microsoft Forefront Threat Management Gateway vulnerabilities
- TI-2011-01665 The NSPLookupServiceNext function in the client in Microsoft Forefront Threat Management… KEVCVSS 3.1CRITICAL 9.8
- TI-2009-00221 Cross-site scripting (XSS) vulnerability in cookieauth.dll in the HTML forms… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2009-0077 · CVE Program
- CVE-2009-0077 · NVD
- FIRST EPSS
- GHSA-9rc2-2223-5qcp · 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