CVE-2014-0257: microsoft .net_framework Improper Input Validation
Vulnerability summary
CVE-2014-0257 is a high (CVSS 9.3) Improper Input Validation vulnerability in microsoft .net_framework. EPSS estimates a 69.80% chance of exploitation in the next 30 days, higher than 99.3% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 12-02-2014PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
69.80%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 69.80% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundMicrosoft .NET Deployment Service - IE Sandbox Escape (MS14-009) (Metasploit)
Maturity: weaponized
MS14-009 .NET Deployment Service IE Sandbox Escape
exploit/windows/local/ms14_009_ie_dfsvc
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- .net_framework1.0:sp3 | 1.1:sp1 | 2.0:sp2 | 3.5 | 3.5.1 | 4.0 | 4.5 | 4.5.1
1 vendor · 1 product
References
7 links- docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009Vendor AdvisoryX Refsource MS