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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (52.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Red Hat Amq Broker — versions 7.8.0, 7.8.1, 7.8.2
- Amq Broker — versions Fixed in amq-7.9.0
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- issues.redhat.com/browse/ENTMQBR-5372 (Vendor Advisory)
- access.redhat.com/security/cve/CVE-2021-3763 (Vendor Advisory)
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.