7.4

CVE-2022-39948: fortinet fortios Improper Certificate Validation

CVSS: 7.4v3.1HighModified
Published 16-02-2023Last modified 22-10-2024
Open JSON

Vulnerability summary

CVE-2022-39948 is a high (CVSS 7.4) Improper Certificate Validation vulnerability in fortinet fortios. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 18.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.1 (NVD)
EPSS score
0.28%
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. 16-02-2023
    PublishedVulnerability first disclosed.
  2. 22-10-2024
    Last modifiedVulnerability information updated.

Description

An improper certificate validation vulnerability [CWE-295] in FortiOS 7.2.0 through 7.2.3, 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions and FortiProxy 7.0.0 through 7.0.6, 2.0 all versions, 1.2 all versions may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiOS/FortiProxy device and remote servers hosting threat feeds (when the latter are configured as Fabric connectors in FortiOS/FortiProxy)

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.28% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.28%

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≥ 7.2.0, ≤ 7.2.3 | ≥ 7.0.0, ≤ 7.0.7 | ≥ 6.4.0, ≤ 6.4.11 | ≥ 6.2.0, ≤ 6.2.12 | ≥ 6.0.0, ≤ 6.0.16 | ≥ 6.0.0, < 7.0.8 | ≥ 7.2.0, < 7.2.4
  • fortiproxy≥ 7.0.0, ≤ 7.0.6 | ≥ 2.0.0, ≤ 2.0.11 | ≥ 1.2.0, ≤ 1.2.13 | ≥ 1.2.0, ≤ 2.0.9 | ≥ 7.0.0, < 7.0.7

1 vendor · 2 products

References

1 links