CVE-2021-39189

mediumpriority · track · 20EPSS 0.014 · 72 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.37% (72nd) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · security-advisories@github.comexploitability 3.9 · impact 1.4

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · OSV

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-203USprimaryCWE-203USCWE-204USCWE-204US

affected products (3)

Products and version ranges known to be affected.

pimcore pimcore≤ < 10.1.3enisa_euvdEU
pimcore pimcore< 10.1.3nvdUScpe:2.3:a:pimcore:pimcore:*:*:*:*:*:*:*:*
Packagist pimcore/pimcore< 10.1.3osvUSpkg:composer/pimcore/pimcore

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-579x-cjvr-cqj9Observable Response Discrepancy in Lost Password Service2021-09-20ghsa · osvUS
### Impact It is possible to enumerate usernames via the forgot password functionality ### Patches Update to version `10.1.3` or apply this patch manually: https://github.com/pimcore/pimcore/pull/10223.patch ### Workarounds Apply https://github.com/pimcore/pimcore/pull/10223.patch manually.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-09-15modified 2026-06-17

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+881 more

references (13)

External citations — patches, advisories, analysis.

scry

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