{"id":"CVE-2021-39189","aliases":["GHSA-579x-cjvr-cqj9"],"url":"https://o3.security/vulnerability/CVE-2021-39189","summary":"Observable Response Discrepancy in Lost Password Service","details":"Pimcore is an open source data & experience management platform. In versions prior to 10.1.3, it is possible to enumerate usernames via the forgot password functionality. This issue is fixed in version 10.1.3. As a workaround, one may apply the available patch manually.","published":"2021-09-15T14:15:08.997Z","modified":"2026-08-07T19:46:49.600864Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":{"score":0.01284,"percentile":0.67267,"asOf":"2026-08-03"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"pimcore/pimcore","fixedVersion":"10.1.3"}],"fix":{"url":"https://github.com/pimcore/pimcore/pull/10223.patch","label":"pimcore/pimcore#10223"},"references":[{"type":"ADVISORY","url":"https://github.com/pimcore/pimcore/security/advisories/GHSA-579x-cjvr-cqj9"},{"type":"ADVISORY","url":"https://huntr.dev/bounties/12462a99-ebf8-4e39-80b3-54a16caa3f4c/"},{"type":"FIX","url":"https://github.com/pimcore/pimcore/pull/10223.patch"},{"type":"FIX","url":"https://github.com/pimcore/pimcore/pull/10223/commits/d0a4de39cf05dce6af71f8ca039132bdfcbb0dce"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T19:46:49.600864Z"}}