7.5

CVE-2024-21312: microsoft microsoft .net framework 3.5 Improper Input Validation

CVSS: 7.5v3.1HighModified
Published 09-01-2024Last modified 03-05-2025

Vulnerability summary

CVE-2024-21312 is a high (CVSS 7.5) Improper Input Validation vulnerability in microsoft microsoft .net framework 3.5. EPSS estimates a 3.58% chance of exploitation in the next 30 days, higher than 89.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
3.58%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-01-2024
    PublishedVulnerability first disclosed.
  2. 03-05-2025
    Last modifiedVulnerability information updated.

Description

.NET Framework Denial of Service Vulnerability

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

3.58%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.58% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.58%

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

Microsoft7 products

1 vendor · 7 products

References

2 links