CVE-2021-36183

7.8 highEPSS 0.3%

High (7.8) in fortinet forticlient. EPSS 0.3% chance of exploitation in the next 30 days.

An improper authorization vulnerability [CWE-285] in FortiClient for Windows versions 7.0.1 and below and 6.4.2 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for Forticlient updates.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-31)
Published: 2021-11-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:forticlient

References

https://fortiguard.com/advisory/FG-IR-20-079
https://fortiguard.com/advisory/FG-IR-20-079

Check your stack JSON