What’s Vulnerable › Vulnerabilities

CVE-2021-40684

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-22 · updated 2026-06-17

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.

Affected products

• Talend Esb Runtime: from 5.1 before 7.1.1-r2021-09 — fixed in 7.1.1-r2021-09

How to fix

Upgrade to a fixed version: Talend Esb Runtime 7.1.1-r2021-09. Check the vendor advisory for mitigations.

References

• https://help.talend.com/r/en-US/7.3/release-notes-esb-products
• https://jira.talendforge.org/browse/SF-141
• https://help.talend.com/r/en-US/7.3/release-notes-esb-products
• https://jira.talendforge.org/browse/SF-141

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