Vulnerability in Fortinet Forticlient
CVE-2022-45856
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.
Vulnerability class: Improper Certificate Validation
EPSS: 0.002 (13.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Fortinet Forticlient
- Fortinet Forticlientandroid — versions 7.2.0, 7.0.6, 7.0.2
- Fortinet Forticlientios — versions 7.0.3, 7.0.0, 6.0.0
- Fortinet Forticlientlinux — versions 7.2.0, 7.0.0, 6.4.7
- Fortinet Forticlientmac — versions 7.2.0, 7.0.0, 6.4.0
- Fortinet Forticlientwindows — versions 7.0.0, 6.4.0
Weakness classification (CWE)
References
- psirt@fortinet.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-45856?
- CVE-2022-45856 is a medium-severity vulnerability in Fortinet Forticlient, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2024-09-10.
- How severe is CVE-2022-45856?
- Medium severity. CVSS v3 base score is 4.8 out of 10.