QID 377873

Date Published: 2023-01-12

QID 377873: FortiClient Privilege Escalation Vulnerability (FG-IR-21-190)

A relative path traversal vulnerability [CWE-23] in FortiClient for Windows may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for FortiESNAC service.

Affected Products FortiClientWindows version 7.0.0 through 7.0.2 FortiClientWindows version 6.4.0 through 6.4.6 FortiClientWindows 6.2 all versions QID Detection Logic (Authenticated) :
This checks for vulnerable version of FortiClient.exe.

Vulnerable version may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for FortiESNAC service.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as Medium - 4.9 severity.
    • Solution
    Users are advised to upgrade to the latest version FortiClient. Please refer FG-IR-21-190 for further information.
    Vendor References

    CVEs related to QID 377873

    CVE-2021-41031 |
    Software Advisories
    Advisory ID Software Component Link
    FG-IR-21-190 URL Logo www.fortiguard.com/psirt/FG-IR-21-190
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