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CVE-2009-0077

MEDIUM

5.0

CVSS Severity Score

EPSS Score0.1650%

EPSS Percentile7.14th

PublishedApr 15, 2009

Last ModifiedApr 23, 2026

Vulnerability Description

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."

Affected Platforms (CPE)

📦

Microsoft

Forefront Threat Management Gateway

All versions

📦

Microsoft

Internet Security And Acceleration Server

= 2004

📦

Microsoft

Internet Security And Acceleration Server

= 2004

📦

Microsoft

Internet Security And Acceleration Server

= 2006

📦

Microsoft

Internet Security And Acceleration Server

= 2006

References & Advisories

🔗 http://osvdb.org/53636

🔗 http://secunia.com/advisories/34687

🔗 http://www.securitytracker.com/id?1022045

🔗 http://www.us-cert.gov/cas/techalerts/TA09-104A.html

🔗 http://www.vupen.com/english/advisories/2009/1030

🔗 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-016

🔗 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6068

🔗 http://osvdb.org/53636

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