Vulnerability Database

313,825

Total vulnerabilities in the database

CVE-2021-36183

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.

  • Published: Nov 2, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-36183
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.4
  • AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.2
  • AV:L/AC:L/Au:N/C:C/I:C/A:C

No CWE or OWASP classifications available.

Software From Fixed in
fortinet / forticlient 7.0.0 7.0.1.x
fortinet / forticlient 6.4.0 6.4.2.x