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.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-20-127
Scores
CVSS v3
4.3
EPSS
0.0013
EPSS Percentile
31.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
Status
published
Products (3)
fortinet/forticlient
6.2.7
fortinet/forticlient
7.0.0
fortinet/forticlient
6.4.0 - 6.4.6
Published
Dec 09, 2021
Tracked Since
Feb 18, 2026