Buffer overflow in Apache Artemis
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 sust…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.025 (82.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Apache Artemis
- Redhat Amq_broker
- N/a Amq Broker — versions Fixed in v2.19.1, v2.20.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-4040?
- CVE-2021-4040 is a medium-severity vulnerability in Apache Artemis, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-08-24.
- How severe is CVE-2021-4040?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-4040 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.