Is CVE-2021-40684 in the CISA KEV catalog?

No. CVE-2021-40684 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40684?

CVE-2021-40684 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2021-40684?

CVE-2021-40684 has an EPSS score of 1.15% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40684?

Upgrade esb runtime to 7.1.1-r2021-09 or later.

CVE & CISA-KEV Catalog

CVE-2021-40684

CRITICAL

9.1

CVSS v3

NVD

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.

How to fix

Remediation Available

esb runtimeNVD

Affected:>= 5.1, < 7.1.1-r2021-09Fixed in:7.1.1-r2021-09CVE-2021-40684derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.15%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Patch1

jira.talendforge.org

Vendor Advisory1

help.talend.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.