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.
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.
{ "nvd_published_at": "2022-12-14T08:15:00Z", "github_reviewed_at": "2022-12-13T17:04:02Z", "severity": "MODERATE", "github_reviewed": true, "cwe_ids": [ "CWE-287", "CWE-302" ] }