CVE-2021-3503

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-18 · updated 2026-06-17
Weakness: CWE-200

Description

A flaw was found in Wildfly where insufficient RBAC restrictions may lead to expose metrics data. The highest threat from this vulnerability is to the confidentiality.

Affected products

Wildfly: before 23.0.1 — fixed in 23.0.1

How to fix

Upgrade to a fixed version: Wildfly 23.0.1. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/CVE-2021-3503
https://bugzilla.redhat.com/show_bug.cgi?id=1942693
https://github.com/advisories/GHSA-c4r5-xvgw-2942
https://github.com/wildfly/wildfly/pull/14136
https://issues.redhat.com/browse/WFLY-11933
https://access.redhat.com/security/cve/CVE-2021-3503
https://bugzilla.redhat.com/show_bug.cgi?id=1942693
https://github.com/advisories/GHSA-c4r5-xvgw-2942
https://github.com/wildfly/wildfly/pull/14136
https://issues.redhat.com/browse/WFLY-11933

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