5.3

CVE-2024-55599: fortinet fortios

CVSS: 5.3v3.1MediumModified
Published 08-07-2025Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2024-55599 is a medium (CVSS 5.3) vulnerability in fortinet fortios. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.7% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.40%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-07-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions may allow a remote unauthenticated user to bypass the DNS filter via Apple devices.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

+0.05 pp

From 0.34% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.40%

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

Fortinet3 products
  • fortios≥ 6.4.0, < 7.2.11 | ≥ 7.4.0, < 7.4.8 | 7.6.0 | ≥ 7.4.0, ≤ 7.4.7 | ≥ 7.2.0, ≤ 7.2.10 | ≥ 7.0.0, ≤ 7.0.17 | ≥ 6.4.0, ≤ 6.4.16
  • fortiproxy≥ 7.0.0, < 7.4.9 | ≥ 7.6.0, < 7.6.2 | ≥ 7.6.0, ≤ 7.6.1 | ≥ 7.4.0, ≤ 7.4.8 | ≥ 7.2.0, ≤ 7.2.14 | ≥ 7.0.0, ≤ 7.0.21
  • fortisase24.4.32

1 vendor · 3 products

References

2 links