CVE-2021-40684

CRITICAL 9.1CVE-2021-40684 · Published 22/09/2021 · updated 17/06/2026

In short

CVE-2021-40684 is a CRITICAL (CVSS 9.1) vulnerability affecting esb runtime (talend).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 69.3% of all vulnerabilities.
Fix: update to 7.1.1-r2021-09 or later.

Package	Affected versions	Patched versions
esb runtime talend	`≥ 5.1, < 7.1.1-r2021-09`	`7.1.1-r2021-09`

Description

Talend ESB Runtime in all versions from 5.1 to 7.3.1-R2021-09, 7.2.1-R2021-09, 7.1.1-R2021-09, has an unauthenticated Jolokia HTTP endpoint which allows remote access to the JMX of the runtime container, which would allow an attacker the ability to read or modify the container or software running in the container.

References

help.talend.com/r/en-US/7.3/release-notes-esb-products · Release Notes
jira.talendforge.org/browse/SF-141 · Patch

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