CVE-2021-39189

Name: CVE-2021-39189
Creator: NVD / NIST
Published: 2021-09-15T14:15:08.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2021-39189 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.24%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Pimcore	Pimcore	< 10.1.3

References

https://github.com/pimcore/pimcore/pull/10223.patchPatch, Third Party Advisory
https://github.com/pimcore/pimcore/pull/10223/commits/d0a4de39cf05dce6af71f8ca039132bdfcbb0dcePatch, Third Party Advisory
https://github.com/pimcore/pimcore/security/advisories/GHSA-579x-cjvr-cqj9Third Party Advisory
https://huntr.dev/bounties/12462a99-ebf8-4e39-80b3-54a16caa3f4c/Third Party Advisory
https://github.com/pimcore/pimcore/pull/10223.patchPatch, Third Party Advisory
https://github.com/pimcore/pimcore/pull/10223/commits/d0a4de39cf05dce6af71f8ca039132bdfcbb0dcePatch, Third Party Advisory
https://github.com/pimcore/pimcore/security/advisories/GHSA-579x-cjvr-cqj9Third Party Advisory
https://huntr.dev/bounties/12462a99-ebf8-4e39-80b3-54a16caa3f4c/Third Party Advisory

Timeline

Published: Sep 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39189?

How severe is CVE-2021-39189?

CVE-2021-39189 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39189?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39189?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST