CVE-2009-0077

UnknownEPSS 78.50%

Last modified

CVE-2009-0077 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 78.50% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability
78.50%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
MicrosoftForefront Threat Management GatewayAll versions
MicrosoftInternet Security And Acceleration Server2004Sp3
MicrosoftInternet Security And Acceleration Server2006Sp1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-0077?
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."
How severe is CVE-2009-0077?
Severity scoring for CVE-2009-0077 is pending analysis. The EPSS model estimates a 78.50% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0077?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-0077?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST