5.9

CVE-2022-45856: fortinet forticlient Improper Certificate Validation

CVSS: 5.9v3.1MediumAnalyzed
Published 10-09-2024Last modified 10-09-2024
Open JSON

Vulnerability summary

CVE-2022-45856 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in fortinet forticlient. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
0.23%
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. 10-09-2024
    PublishedVulnerability first disclosed.
  2. 10-09-2024
    Last modifiedVulnerability information updated.

Description

An improper certificate validation vulnerability [CWE-295] in FortiClientWindows 6.4 all versions, 7.0.0 through 7.0.7, FortiClientMac 6.4 all versions, 7.0 all versions, 7.2.0 through 7.2.4, FortiClientLinux 6.4 all versions, 7.0 all versions, 7.2.0 through 7.2.4, FortiClientAndroid 6.4 all versions, 7.0 all versions, 7.2.0 and FortiClientiOS 5.6 all versions, 6.0.0 through 6.0.1, 7.0.0 through 7.0.6 SAML SSO feature may allow an unauthenticated attacker to man-in-the-middle the communication between the FortiClient and  both the service provider and the identity provider.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.23%

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

Fortinet6 products
  • forticlient≥ 5.0, < 7.2.1 | ≥ 6.4, < 7.2.5 | ≥ 6.4, < 7.0.8 | ≥ 2.0, < 7.0.7
  • forticlientandroid7.2.0 | ≥ 7.0.6, ≤ 7.0.7 | ≥ 7.0.2, ≤ 7.0.3 | 7.0.0 | 6.4.6 | 6.4.4 | 6.4.1 | 6.0.0 | 5.6.0 | ≥ 5.4.0, ≤ 5.4.2 | ≥ 5.2.0, ≤ 5.2.8 | ≥ 5.0.0, ≤ 5.0.3
  • forticlientios≥ 7.0.3, ≤ 7.0.6 | ≥ 7.0.0, ≤ 7.0.1 | ≥ 6.0.0, ≤ 6.0.1 | ≥ 5.6.5, ≤ 5.6.6 | ≥ 5.6.0, ≤ 5.6.1 | ≥ 5.4.3, ≤ 5.4.4 | ≥ 5.4.0, ≤ 5.4.1 | ≥ 5.2.0, ≤ 5.2.3 | ≥ 5.0.0, ≤ 5.0.3 | ≥ 4.0.0, ≤ 4.0.2 | ≥ 2.0.0, ≤ 2.0.1
  • forticlientlinux≥ 7.2.0, ≤ 7.2.4 | ≥ 7.0.0, ≤ 7.0.13 | ≥ 6.4.7, ≤ 6.4.9 | ≥ 6.4.0, ≤ 6.4.4
  • forticlientmac≥ 7.2.0, ≤ 7.2.4 | ≥ 7.0.0, ≤ 7.0.13 | ≥ 6.4.0, ≤ 6.4.10

1 vendor · 6 products

References

1 links