CVE-2014-0257
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...
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."
Exploit likelihood
What each source reports
NVD Score used
9.3
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."
- Record
CVE-2014-0257- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2014-0257- Updated
- 2026-11-02
EUVDEUVD-2014-0295 No score
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."
- Record
EUVD-2014-0295- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x4qf-4j36-qp5x No score
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...
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."
- Record
GHSA-x4qf-4j36-qp5x- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft .NET Deployment Service - IE Sandbox Escape (MS14-009) (Metasploit) | 2014-06-27 |
| Metasploit | MS14-009 .NET Deployment Service IE Sandbox Escape | 2014-02-11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-0257 is a high vulnerability (CVSS 9.3) in Microsoft .net Framework, published February 12, 2014. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 69.8%, the 99th percentile. No source names a fixed version.
References
securitytracker.com/id/1029745
exploit-db.com/exploits/33892
securityfocus.com/bid/65417
packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html
osvdb.org/103163
secunia.com/advisories/56793
docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009
nvd.nist.gov/vuln/detail/CVE-2014-0257
github.com/advisories/GHSA-x4qf-4j36-qp5x