CVE-2021-36167

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CVSS 3.1

5.3 medium

EPSS

<1%p45

Published

Dec 9, 2021 (Dec 9, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: fortinet
Products: forticlient
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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