5.4

CVE-2022-22306: fortinet fortinet fortios Improper Certificate Validation

CVSS: 5.4v3.1MediumModified
Published 24-05-2022Last modified 22-10-2024

Vulnerability summary

CVE-2022-22306 is a medium (CVSS 5.4) Improper Certificate Validation vulnerability in fortinet fortinet fortios. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.20%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-05-2022
    PublishedVulnerability first disclosed.
  2. 22-10-2024
    Last modifiedVulnerability information updated.

Description

An improper certificate validation vulnerability [CWE-295] in FortiOS 6.0.0 through 6.0.14, 6.2.0 through 6.2.10, 6.4.0 through 6.4.8, 7.0.0 may allow a network adjacent and unauthenticated attacker to man-in-the-middle the communication between the FortiGate and some peers such as private SDNs and external cloud platforms.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

+0.01 pp

From 0.20% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.20%

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
  • fortinet fortiosFortiOS 6.0.0 through 6.0.14, 6.2.0 through 6.2.10, 6.4.0 through 6.4.8, 7.0.0
  • fortiosEOL≥ 6.0.0, ≤ 6.0.14 | ≥ 6.2.0, ≤ 6.2.10 | ≥ 6.4.0, < 6.4.9 | 7.0.0

1 vendor · 2 products

References

1 links