9.3

CVE-2014-4149: microsoft .net_framework Improper Input Validation

CVSS: 9.3v2.0HighModified
Published 11-11-2014Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2014-4149 is a high (CVSS 9.3) Improper Input Validation vulnerability in microsoft .net_framework. EPSS estimates a 21.44% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
21.44%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-11-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly perform TypeFilterLevel checks, which allows remote attackers to execute arbitrary code via crafted data to a .NET Remoting endpoint, aka "TypeFilterLevel Vulnerability."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

21.44%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 21.44% on 20-09-2026

20-09-202620-10-2026
EPSS score
21.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft1 product
  • .net_framework1.1:sp1 | 2.0:sp2 | 3.5 | 3.5.1 | 4.0 | 4.5 | 4.5.1 | 4.5.2

1 vendor · 1 product

References

3 links