Authentication bypass in TYPO3 - #VU5903
Published: March 1, 2017 / Updated: March 1, 2017
Vulnerability identifier: #VU5903
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: TYPO3
Affected software:
TYPO3
TYPO3
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists in TYPO3 CMS due to late TCA initialization when authenticating users. A remote attacker with disabled account can bypass authentication process and successfully login to the web application.
Successful exploitation of the vulnerability may allow an attacker with deactivated / disabled accounts to bypass authentication process and login to the website.
Remediation
Update to TYPO3 version 8.6.1