SB2023021686 - Session fixation in FortiWeb
Published: February 16, 2023 Updated: December 29, 2023
Security Bulletin ID
SB2023021686
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Session Fixation (CVE-ID: CVE-2021-42761)
CWE-ID: CWE-384 - Session Fixation
CVSSv4: 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/E:U/U:Green
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.
Remediation
Install update from vendor's website.