CVE-2021-4311

What it is

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.

At a glance

Exploitability

Can be exploited from the same network segment with a low-privilege account. Limited direct impact.

Exploit odds

0.7% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2023-01-09 12:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:19 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.7% in the next 30 days (EPSS).
• Severity: 5.5 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-01-09 12:15 UTC

Last modified

2026-06-17 04:19 UTC

Exploit probability

0.7% · EPSS, next 30 days

Weakness

CWE-611 · XML external entity

Record status

Modified

Affected

• Talend Open Studio < 20230102_1935

Attack profile CVSS 3.1 · 5.5

Attack vector

Adjacent network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-4311.md and follow it. Check whether this project is affected by CVE-2021-4311. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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