Session Fixation in FortiWeb - CVE-2021-42761
Published: December 29, 2023
Vulnerability identifier: #VU84878
CSH Severity: Medium
CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42761
CWE-ID: CWE-384
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to usage of weak session identifiers in FortiWeb. A remote attacker can infer the session identifier of other users and possibly usurp their session.
Affected software
FortiWeb
How to mitigate CVE-2021-42761
Install updates from vendor's website.
FortiWeb - addressed in versions 5.9.2, 6.0.8, 6.1.3, 6.2.7, 6.3.17, 7.0.0