VulnerabilityModified
CVE-2021-4040
This flaw allows an attacker to partially disrupt availability to the broker through a sustained attack of maliciously crafted messages.
MEDIUM 5.3EPSS 3.13%
Does this matter?
Lower severity and a low EPSS score (3.13%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 3.13% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400, CWE-787
- Affected
- redhat/amq broker · apache/artemis
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-4040Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2028254Issue Tracking, Vendor Advisory
- https://github.com/apache/activemq-artemis/pull/3871/commitsPatch, Third Party Advisory
- https://issues.apache.org/jira/browse/ARTEMIS-3593Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-4040Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2028254Issue Tracking, Vendor Advisory
- https://github.com/apache/activemq-artemis/pull/3871/commitsPatch, Third Party Advisory
- https://issues.apache.org/jira/browse/ARTEMIS-3593Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.