Description
A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to use the device as proxy via crafted GET parameters in requests to error handlers
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-21-133
Scores
CVSS v3
4.1
EPSS
0.0022
EPSS Percentile
44.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-601
Status
published
Products (6)
fortinet/fortiweb
6.1.0
fortinet/fortiweb
6.1.1
fortinet/fortiweb
6.1.2
fortinet/fortiweb
6.4.0
fortinet/fortiweb
6.4.1
fortinet/fortiweb
6.0.0 - 6.0.7
Published
Dec 08, 2021
Tracked Since
Feb 18, 2026