CVE-2021-39170

Name: CVE-2021-39170
Creator: NVD / NIST
Published: 2021-09-01T14:15:08.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2021-39170 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Pimcore is an open source data & experience management platform. Prior to version 10.1.2, an authenticated user could add XSS code as a value of custom metadata on assets. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

Pimcore is an open source data & experience management platform. Prior to version 10.1.2, an authenticated user could add XSS code as a value of custom metadata on assets. There is a patch for this issue in Pimcore version 10.1.2. As a workaround, users may apply the patch manually.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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	< 10.1.2

References

https://github.com/pimcore/pimcore/pull/10178Patch, Third Party Advisory
https://github.com/pimcore/pimcore/pull/10178.patchPatch, Third Party Advisory
https://github.com/pimcore/pimcore/security/advisories/GHSA-2v88-qq7x-xq5fPatch, Third Party Advisory
https://huntr.dev/bounties/e4cb9cd8-89cf-427c-8d2e-37ca40099bf2/Exploit, Patch, Third Party Advisory
https://github.com/pimcore/pimcore/pull/10178Patch, Third Party Advisory
https://github.com/pimcore/pimcore/pull/10178.patchPatch, Third Party Advisory
https://github.com/pimcore/pimcore/security/advisories/GHSA-2v88-qq7x-xq5fPatch, Third Party Advisory
https://huntr.dev/bounties/e4cb9cd8-89cf-427c-8d2e-37ca40099bf2/Exploit, Patch, Third Party Advisory

Timeline

Published: Sep 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39170?

How severe is CVE-2021-39170?

CVE-2021-39170 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39170?

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-2021-39170?

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

Scan your code now

Source: NVD / NIST