CVE-2014-0257

Summary

CVECVE-2014-0257
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-02-12 04:50:39 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionMicrosoft .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."

Risk And Classification

Primary CVSS: v2.0 9.3 from [email protected]

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS: 0.780960000 probability, percentile 0.990280000 (date 2026-05-04)

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft .net Framework 1.0 sp3 All All
Application Microsoft .net Framework 1.1 sp1 All All
Application Microsoft .net Framework 2.0 sp2 All All
Application Microsoft .net Framework 3.5 All All All
Application Microsoft .net Framework 3.5.1 All All All
Application Microsoft .net Framework 4.0 All All All
Application Microsoft .net Framework 4.5 All All All
Application Microsoft .net Framework 4.5.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Security Advisory SA56793 - Microsoft .NET Framework Denial of Service and Type Traversal Vulnerabilities - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Microsoft Security Bulletin MS14-009 - Important | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
MS14-009 .NET Deployment Service IE Sandbox Escape ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com
Microsoft .NET Bugs Lets Remote Users Execute Arbitrary Code and Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
www.osvdb.org/103163 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
.NET Deployment Service - IE Sandbox Escape (MS14-009) af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com
Microsoft .NET Framework CVE-2014-0257 Remote Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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