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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (13.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
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
- fortiguard.fortinet.com/psirt/FG-IR-22-230 (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.