CVE-2009-0077

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 78.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-04-15 · updated 2026-06-16

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 products

Microsoft Forefront Threat Management Gateway: all versions
Microsoft Internet Security And Acceleration Server: 2004-sp3, 2006-sp1, 2006-supportability

References

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
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

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