CVE-2022-23501

Description

### Problem Restricting frontend login to specific users, organized in different storage folders (partitions), can be bypassed. A potential attacker might use this ambiguity in usernames to get access to a different account - however, credentials must be known to the adversary. ### Solution Update to TYPO3 versions 8.7.49 ELTS, 9.5.38 ELTS, 10.4.33, 11.5.20, 12.1.1 that fix the problem described above. ### References * [TYPO3-CORE-SA-2022-013](https://typo3.org/security/advisory/typo3-core-sa-2022-013)

How to fix CVE-2022-23501

To remediate CVE-2022-23501, upgrade the affected package to a fixed version below.

• —upgrade to 8.7.49 or later
• —upgrade to 10.4.33 or later
• —upgrade to 8.7.49 or later

Is CVE-2022-23501 being exploited?

Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

• from 0, < 8.7.49, >= 9.0.0, < 9.5.38, >= 10.0.0, < 10.4.33, >= 11.0.0, < 11.5.20, >= 12.0.0, < 12.1.1
• >= 10.0.0, < 10.4.33
• from 0, < 8.7.49

CVSS scores

References (7)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2022-23501
• PATCHgithub.com/TYPO3/typo3
• WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2022-23501.yaml
• WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2022-23501.yaml