CVE-2020-11067 HIGH

CVE-2020-11067: Deserialization of Untrusted Data in TYPO3 CMS

Vendor Typo3
Product TYPO3 CMS
Weakness CWE-502 · Unsafe deserialization
Published May 13, 2020
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

Description

In TYPO3 CMS 9.0.0 through 9.5.16 and 10.0.0 through 10.4.1, it has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of third party components, this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability. This has been fixed in 9.5.17 and 10.4.2.

Key dates

Disclosure timeline

May 13, 2020 CVE published
August 4, 2024 Record updated