CVE-2024-3656
Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.
Timeline
ID reserved
By redhat
- 6 months later
· 6 months later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| NVDNVD · Deferred | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 3.3% · top 11% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Weakness
Affected products
keycloak
- affected < 24.0.5
Red Hat · Red Hat Build of Keycloak
All versions: unaffected
Red Hat · Red Hat Single Sign-On 7
All versions: unaffected
Red Hat · Red Hat Build of Keycloak
All versions: affected
Red Hat · Red Hat JBoss Enterprise Application Platform 8
All versions: unaffected
Red Hat · Red Hat Single Sign-On 7
All versions: affected
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.keycloak:keycloak-servicesGHSA-2cww-fgmg-4jqc (opens in a new tab)
What to do
Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
References (8)
- RHSA-2024:3572 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:3575 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-3656 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2274403 (opens in a new tab)issue-trackingx_refsource_REDHAT
- https://github.com/advisories/GHSA-2cww-fgmg-4jqc (opens in a new tab)
- https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/ (opens in a new tab)
- https://news.ycombinator.com/item?id=42136000 (opens in a new tab)
- https://github.com/hnsecurity/vulns/blob/main/HNS-2024-08-Keycloak.md (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-2cww-fgmg-4jqc (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-3656)Record last updated .