9.3

CVE-2014-0257: microsoft .net_framework Improper Input Validation

CVSS: 9.3v2.0HighModified
Published 12-02-2014Last modified 06-08-2024

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.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
69.80%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2exploit-database, metasploit

Timeline

  1. 12-02-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 version

EPSS 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

20-09-202620-10-2026
EPSS score
69.80%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • exploit-databaselocalwindowsVerified

    Microsoft .NET Deployment Service - IE Sandbox Escape (MS14-009) (Metasploit)

    Maturity: weaponized

  • MetasploitMetasploitremoteVerified

    MS14-009 .NET Deployment Service IE Sandbox Escape

    exploit/windows/local/ms14_009_ie_dfsvc

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected 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