cve.bz

CVE-2021-4040

5.3 mediumEPSS 3.2%

Medium (5.3). EPSS 3.2% chance of exploitation in the next 30 days. Fixed in org.apache.activemq:artemis-core-client 2.19.1.

A flaw was found in AMQ Broker. This issue can cause a partial interruption to the availability of AMQ Broker via an Out of memory (OOM) condition. This flaw allows an attacker to partially disrupt availability to the broker through a sustained attack of maliciously crafted messages. The highest threat from this vulnerability is system availability.

Severity

CVSS 3.1

5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
3.2% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWEs
CWE-787, CWE-400
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-gf8c-j759-86mgMavenorg.apache.activemq:artemis-core-client<2.19.12.19.1

References

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