Deserialization of Untrusted Data in TYPO3 - CVE-2020-11066
Published: May 15, 2020
Vulnerability identifier: #VU27933
CSH Severity: High
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-11066
CWE-ID: CWE-502
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 insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and trigger deletion of arbitrary directory in file system or trigger message submission via email using identity of web site.
Affected software
TYPO3
How to mitigate CVE-2020-11066
Install updates from vendor's website.
TYPO3 - addressed in versions 9.5.17, 10.4.2