SB2021020801 - Session fixation in Ocrober CMS
Published: February 8, 2021 Updated: March 8, 2021
Security Bulletin ID
SB2021020801
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-2021-3311)
CWE-ID: CWE-384 - Session Fixation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to impersonate CMS users.
The vulnerability exists due to October CMS does not invalidate old session identifiers after user logout. A remote attacker with knowledge of any previous session identifier can reuse it by bypass authentication processed and gain unauthorized access to the application.
Remediation
Install update from vendor's website.