Vulnerability Details : 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 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.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-4040
- cpe:2.3:a:redhat:amq_broker:*:*:*:*:*:*:*:*
- cpe:2.3:a:apache:activemq_artemis:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4040
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4040
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2021-4040
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The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: secalert@redhat.com (Secondary)
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The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-4040
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https://github.com/apache/activemq-artemis/pull/3871/commits
ARTEMIS-3593 Defense against OME on parsing XID by clebertsuconic · Pull Request #3871 · apache/activemq-artemis · GitHubPatch;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=2028254
2028254 – (CVE-2021-4040) CVE-2021-4040 AMQ Broker: Malformed message can result in partial DoS (OOM)Issue Tracking;Vendor Advisory
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https://access.redhat.com/security/cve/CVE-2021-4040
CVE-2021-4040- Red Hat Customer PortalVendor Advisory
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https://issues.apache.org/jira/browse/ARTEMIS-3593
[ARTEMIS-3593] OOM error on rogue message to Artemis Broker - ASF JIRAPatch;Third Party Advisory
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