CVE-2022-22306: fortinet fortinet fortios Improper Certificate Validation
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.
Timeline
- 24-05-2022PublishedVulnerability first disclosed.
- 22-10-2024Last 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- NVDNIST5.3MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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