6.5

CVE-2025-24471: fortinet fortios Improper Certificate Validation

CVSS: 6.5v3.1MediumModified
Published 10-06-2025Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2025-24471 is a medium (CVSS 6.5) Improper Certificate Validation vulnerability in fortinet fortios. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.38%
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. 10-06-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiClient via revoked certificate.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

0.00 pp

From 0.37% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.38%

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

Fortinet2 products
  • fortios≥ 7.4.0, < 7.4.8 | ≥ 7.6.0, < 7.6.2 | ≥ 7.6.0, ≤ 7.6.1 | ≥ 7.4.0, ≤ 7.4.7
  • fortisase25.1.39

1 vendor · 2 products

References

2 links