CVE-2020-11067

HIGH

TYPO3 CMS <9.5.16, <10.4.1 - Code Injection

Title source: llm

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.

References (1)

[Third Party Advisory] https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvp

Scores

CVSS v3 8.8

EPSS 0.0118

EPSS Percentile 78.5%

Attack Vector NETWORK

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

Classification

CWE

CWE-502

Status published

Affected Products (3)

typo3/typo3 < 9.5.16

typo3/cms-core < 9.5.17Packagist

typo3/cms < 10.4.2Packagist

Timeline

Published May 14, 2020

Tracked Since Feb 18, 2026