Vulnerability in Fortinet Forticlient
CVE-2021-36167
An improper authorization vulnerabiltiy [CWE-285] in FortiClient Windows versions 7.0.0 and 6.4.6 and below and 6.2.8 and below may allow an unauthenticated attacker to bypass the webfilter control via modifying the session-id paramater.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (45.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Fortinet Forticlient — versions 6.2.7, 7.0.0
- Fortinet Forticlientwindows — versions FortiClientWindows 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0
References
- fortiguard.com/advisory/FG-IR-20-127 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-36167?
- CVE-2021-36167 is a medium-severity vulnerability in Fortinet Forticlient. CVSS score: 4.3/10. Published 2021-12-09.
- How severe is CVE-2021-36167?
- Medium severity. CVSS v3 base score is 4.3 out of 10.