CVE-2021-39189
Status: ModifiedMedium (5.3)—
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.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Base score: 5.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.36%
- Percentile among all scored CVEs: 71
- Score date: 10/10/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-204
- CWE-203
References
- https://github.com/pimcore/pimcore/pull/10223.patch
- https://github.com/pimcore/pimcore/pull/10223/commits/d0a4de39cf05dce6af71f8ca039132bdfcbb0dce
- https://github.com/pimcore/pimcore/security/advisories/GHSA-579x-cjvr-cqj9
- https://huntr.dev/bounties/12462a99-ebf8-4e39-80b3-54a16caa3f4c/
- https://github.com/pimcore/pimcore/pull/10223.patch
- https://github.com/pimcore/pimcore/pull/10223/commits/d0a4de39cf05dce6af71f8ca039132bdfcbb0dce
- https://github.com/pimcore/pimcore/security/advisories/GHSA-579x-cjvr-cqj9
- https://huntr.dev/bounties/12462a99-ebf8-4e39-80b3-54a16caa3f4c/
Raw JSON (NVD)
Show
{
"id": "CVE-2021-39189",
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"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
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"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
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"published": "2021-09-15T14:15:08.997",
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},
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}
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"lastModified": "2026-06-17T04:03:16.617",
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