CVE-2014-0257

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 69.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-02-12 · updated 2026-06-17
Weakness: CWE-20

Description

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka "Type Traversal Vulnerability."

Affected products

Microsoft .NET Framework: 1.0-sp3, 1.1-sp1, 2.0-sp2, 3.5, 3.5.1, 4.0 (+2)

References

http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html
http://secunia.com/advisories/56793
http://www.exploit-db.com/exploits/33892
http://www.osvdb.org/103163
http://www.securityfocus.com/bid/65417
http://www.securitytracker.com/id/1029745
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009
http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html
http://secunia.com/advisories/56793
http://www.exploit-db.com/exploits/33892
http://www.osvdb.org/103163
http://www.securityfocus.com/bid/65417

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