CVE-2021-4311

Name: CVE-2021-4311
Creator: NVD / NIST
Published: 2023-01-09T12:15:15.587+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2021-4311 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability classified as problematic was found in Talend Open Studio for MDM. This vulnerability affects unknown code of the component XML Handler. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

A vulnerability classified as problematic was found in Talend Open Studio for MDM. This vulnerability affects unknown code of the component XML Handler. The manipulation leads to xml external entity reference. The patch is identified as 31d442b9fb1d518128fd18f6e4d54e06c3d67793. It is recommended to apply a patch to fix this issue. VDB-217666 is the identifier assigned to this vulnerability.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.67%

47.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Talend	Open Studio	< 20230102_1935

References

https://github.com/Talend/tmdm-server-se/commit/31d442b9fb1d518128fd18f6e4d54e06c3d67793Patch
https://github.com/Talend/tmdm-server-se/pull/1420Patch
https://vuldb.com/?ctiid.217666Third Party Advisory
https://vuldb.com/?id.217666Third Party Advisory
https://github.com/Talend/tmdm-server-se/commit/31d442b9fb1d518128fd18f6e4d54e06c3d67793Patch
https://github.com/Talend/tmdm-server-se/pull/1420Patch
https://vuldb.com/?ctiid.217666Third Party Advisory
https://vuldb.com/?id.217666Third Party Advisory

Timeline

Published: Jan 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4311?

How severe is CVE-2021-4311?

CVE-2021-4311 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4311?

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-2021-4311?

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

Scan your code now

Source: NVD / NIST