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CVE

CVE-2021-4040

A flaw was found in AMQ Broker. This issue can cause a partial interruption to the availability of AMQ Broker via an Out

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.

MEDIUM · CVSS 5.3 EPSS 0.04235
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
redhat amq broker< 7.10.0
apache activemq artemis< 2.19.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.apache.activemq:artemis-core-client MODERATE fixed in 2.19.1
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Aug 2022 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
⚑

Vendor Advisories

1
rhsaRHSA-2022:5101Important
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2021-4040Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2028254Issue TrackingVendor Advisory
https://github.com/apache/activemq-artemis/pull/3871/commitsPatchThird Party Advisory
https://issues.apache.org/jira/browse/ARTEMIS-3593PatchThird Party Advisory
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