CVE-2014-0253

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 38.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-02-12 · updated 2026-06-17
Weakness: CWE-20

Description

Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine TCP connection states, which allows remote attackers to cause a denial of service (ASP.NET daemon hang) via crafted HTTP requests that trigger persistent resource consumption for a (1) stale or (2) closed connection, as exploited in the wild in February 2014, aka "POST Request DoS Vulnerability."

Affected products

Microsoft .NET Framework: 1.1-sp1, 2.0-sp2, 3.5, 3.5.1, 4.0, 4.5 (+1)

References

http://osvdb.org/103162
http://secunia.com/advisories/56793
http://www.securityfocus.com/bid/65415
http://www.securitytracker.com/id/1029745
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009
http://osvdb.org/103162
http://secunia.com/advisories/56793
http://www.securityfocus.com/bid/65415
http://www.securitytracker.com/id/1029745
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009

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