CVE-2021-4311: A vulnerability classified as problematic was found in Talend Open Studio for MDM

Q: How do I fix CVE-2021-4311?

open studio: upgrade to 20230102_1935. Exact commands for each OS are on this page.

Q: Is CVE-2021-4311 being exploited?

CVE-2021-4311 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-4311 affect?

CVE-2021-4311 affects open studio. Severity is medium (CVSS 5.5). 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 31d

Q: How urgent is CVE-2021-4311?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2021-4311 is a medium-severity flaw (CVSS 5.5) affecting open studio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-611
Published	2023-01-09
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: talend

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-01-09 12:15 UTCPublished CVE record published
2026-06-17 04:19 UTCUpdated Record last modified

talend open studio UPGRADE

Affected: < 20230102_1935

Fixed in: 20230102_1935

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy open-studio || rpm -q open-studio || open-studio --version

2. UPGRADE to 20230102_1935 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade open-studio

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade open-studio

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-4311?

open studio: upgrade to 20230102_1935. Exact commands for each OS are on this page.

Is CVE-2021-4311 being exploited?

CVE-2021-4311 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-4311 affect?

CVE-2021-4311 affects open studio. Severity is medium (CVSS 5.5). 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 31d

How urgent is CVE-2021-4311?

Priority 33/100. No elevated risk signals yet.

References

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