Auth bypass in Red Hat Amq Broker

CVE-2021-3763

A flaw was found in the Red Hat AMQ Broker management console in version 7.8 where an existing user is able to access some limited information even when the role the user is assigned to should not be allow access to the management console. The main impact is to confidentiality as this flaw means some role bindings are incorrectly checked, some privileged meta information such as queue names and configuration details are disclosed but the impact is limited as not all information is accessible and there is no affect to integrity.

Vulnerability class: Broken Access Control

EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

  • Redhat Amq_broker — versions 7.8.0, 7.8.1, 7.8.2
  • N/a Amq Broker — versions Fixed in amq-7.9.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-3763?
CVE-2021-3763 is a medium-severity vulnerability in Red Hat Amq Broker, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2022-08-23.
How severe is CVE-2021-3763?
Medium severity. CVSS v3 base score is 4.3 out of 10.