{"id":"CVE-2021-39189","aliases":["EUVD-2021-1981","GHSA-579x-cjvr-cqj9"],"status":"published","title":"Observable Response Discrepancy in Lost Password Service","description":"Pimcore is an open source data \u0026 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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01367,"percentile":0.72257,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203","CWE-204"],"published":"2021-09-15T13:50:13Z","modified":"2026-10-24T10:51:25Z","fixes":[{"ecosystem":"Packagist","package":"pimcore/pimcore","fixed_in":["10.1.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"pimcore/pimcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.3"}]}]},{"source":"osv","ecosystem":"Packagist","package":"pimcore/pimcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.3"}]}],"versions":["10.0.8","2.2.0","2.2.1","2.2.2","2.3.0","3.0.0","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.1.0","3.1.1","4.0.0","4.0.1","4.1.0","4.1.1","4.1.2","4.1.3","4.2.0","4.3.0","4.3.1","4.4.0","4.4.1","4.4.2","4.4.3","4.5.0","4.6.0","4.6.1","4.6.2","4.6.3","4.6.4","4.6.5","v10.0.0","v10.0.0-BETA1","v10.0.0-BETA2","v10.0.0-BETA3","v10.0.0-BETA4","v10.0.1","v10.0.2","v10.0.3","v10.0.4","v10.0.5","v10.0.6","v10.0.7","v10.0.9","v10.1.0","v10.1.1","v10.1.2","v5.0.0","v5.0.0-RC","v5.0.1","v5.0.2","v5.0.3","v5.0.4","v5.1.0","v5.1.0-alpha","v5.1.1","v5.1.2","v5.1.3","v5.2.0","v5.2.1","v5.2.2","v5.2.3","v5.3.0","v5.3.1","v5.4.0","v5.4.1","v5.4.2","v5.4.3","v5.4.4","v5.5.0","v5.5.1","v5.5.2","v5.5.3","v5.5.4","v5.6.0","v5.6.1","v5.6.2","v5.6.3","v5.6.4","v5.6.5","v5.6.6","v5.7.0","v5.7.1","v5.7.2","v5.7.3","v5.8.0","v5.8.1","v5.8.2","v5.8.3","v5.8.4","v5.8.5","v5.8.6","v5.8.7","v5.8.8","v5.8.9","v6.0.0","v6.0.1","v6.0.2","v6.0.3","v6.0.4","v6.0.5","v6.1.0","v6.1.1","v6.1.2","v6.2.0","v6.2.1","v6.2.2","v6.2.3","v6.3.0","v6.3.1","v6.3.2","v6.3.3","v6.3.4","v6.3.5","v6.3.6","v6.4.0","v6.4.1","v6.4.2","v6.5.0","v6.5.1","v6.5.2","v6.5.3","v6.6.0","v6.6.1","v6.6.10","v6.6.11","v6.6.2","v6.6.3","v6.6.4","v6.6.5","v6.6.6","v6.6.7","v6.6.8","v6.6.9","v6.7.0","v6.7.1","v6.7.2","v6.7.3","v6.8.0","v6.8.1","v6.8.10","v6.8.11","v6.8.12","v6.8.2","v6.8.3","v6.8.4","v6.8.5","v6.8.6","v6.8.7","v6.8.8","v6.8.9","v6.9.0","v6.9.1","v6.9.2","v6.9.3","v6.9.4","v6.9.5","v6.9.6"]}],"products":[{"vendor":"pimcore","product":"pimcore"}],"references":[{"url":"https://github.com/pimcore/pimcore/security/advisories/GHSA-579x-cjvr-cqj9","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/pimcore/pimcore/pull/10223.patch","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/pimcore/pimcore/pull/10223/commits/d0a4de39cf05dce6af71f8ca039132bdfcbb0dce","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://huntr.dev/bounties/12462a99-ebf8-4e39-80b3-54a16caa3f4c/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39189","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-579x-cjvr-cqj9"},{"url":"https://github.com/pimcore/pimcore","tags":["package"]},{"url":"https://huntr.dev/bounties/12462a99-ebf8-4e39-80b3-54a16caa3f4c","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-39189","title":"Observable Response Discrepancy in Lost Password Service","description":"Pimcore is an open source data \u0026 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.","status":"published","published":"2021-09-15T13:50:13Z","modified":"2024-08-04T01:58:18.264Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-1981","description":"Pimcore is an open source data \u0026 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.","status":"published","published":"2021-09-15T13:50:13Z","modified":"2024-08-04T01:58:18Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:24.305495Z"}],"ghsa":[{"id":"GHSA-579x-cjvr-cqj9","title":"Observable Response Discrepancy in Lost Password Service","description":"### Impact\nIt is possible to enumerate usernames via the forgot password functionality\n\n### Patches\nUpdate to version `10.1.3` or apply this patch manually: https://github.com/pimcore/pimcore/pull/10223.patch\n\n### Workarounds\nApply https://github.com/pimcore/pimcore/pull/10223.patch manually. \n","status":"published","published":"2021-09-20T19:53:55Z","modified":"2023-02-01T05:06:10Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-02T14:36:37.441118Z"}],"nvd":[{"id":"CVE-2021-39189","description":"Pimcore is an open source data \u0026 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.","status":"published","published":"2021-09-15T14:15:08.997Z","modified":"2026-06-17T04:03:16.617Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-204","CWE-203"],"updated_at":"2026-11-02T14:06:58.502206Z"}],"osv":[{"id":"CVE-2021-39189","description":"Pimcore is an open source data \u0026 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.","status":"published","published":"2021-09-15T14:15:08.997Z","modified":"2026-10-24T10:51:25.342884977Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:20.843843Z"},{"id":"GHSA-579x-cjvr-cqj9","title":"Observable Response Discrepancy in Lost Password Service","description":"### Impact\nIt is possible to enumerate usernames via the forgot password functionality\n\n### Patches\nUpdate to version `10.1.3` or apply this patch manually: https://github.com/pimcore/pimcore/pull/10223.patch\n\n### Workarounds\nApply https://github.com/pimcore/pimcore/pull/10223.patch manually. \n","status":"published","published":"2021-09-20T19:53:55Z","modified":"2026-07-08T06:27:38.932567904Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-02T15:46:37.864461Z"}]}}