SB2021070514 - Session fixation in Craft CMS
Published: July 5, 2021
Security Bulletin ID
SB2021070514
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Session Fixation (CVE-ID: CVE-2021-27903)
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:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the affected application.
The vulnerability exists due to session fixation issue. A remote attacker can hijack administrator's session and gain full access to the web application.
Remediation
Install update from vendor's website.