Input validation error in TYPO3 - CVE-2021-41114
Published: October 7, 2021
Vulnerability identifier: #VU57126
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-41114
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input in the HTTP Host header. A remote attacker can cause unspecified impact via a crafted HTTP Host header, related to "Host Spoofing."
Affected software
TYPO3
How to mitigate CVE-2021-41114
Install updates from vendor's website.
TYPO3 - update to 11.5.0