Session Fixation in Craft CMS - CVE-2021-27903
Published: July 5, 2021
Vulnerability identifier: #VU54557
CSH Severity: High
CVSS v4.0: 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
CVE-ID: CVE-2021-27903
CWE-ID: CWE-384
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Pixel & Tonic, Inc.
Affected software:
Craft CMS
Craft CMS
Detailed vulnerability description
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.
How to mitigate CVE-2021-27903
Install updates from vendor's website.