Meta
- CVSS v3.1: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
- CWE-502
Problem
It has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of 3rd party components this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability.
Solution
Update to TYPO3 versions 9.5.17 or 10.4.2 that fix the problem described.
Credits
Thanks to TYPO3 security team member Oliver Hader who reported and fixed the issue.
References
Problem
It has been discovered that backend user settings (in
$BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of 3rd party components this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability.Solution
Update to TYPO3 versions 9.5.17 or 10.4.2 that fix the problem described.
Credits
Thanks to TYPO3 security team member Oliver Hader who reported and fixed the issue.
References