CVE-2024-3656
CVE-2024-3656 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-1880
- Weakness: CWE-200
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2024-3656?
- 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.
- How severe is CVE-2024-3656?
- CVE-2024-3656 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2024-3656 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-3656?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-3656 have an EU (EUVD) identifier?
- Yes. CVE-2024-3656 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1880.
- When was CVE-2024-3656 published?
- CVE-2024-3656 was published on 2024-10-09 and last updated on 2026-06-17.
References
- https://access.redhat.com/errata/RHSA-2024:3572
- https://access.redhat.com/errata/RHSA-2024:3575
- https://access.redhat.com/security/cve/CVE-2024-3656
- https://bugzilla.redhat.com/show_bug.cgi?id=2274403
- https://github.com/advisories/GHSA-2cww-fgmg-4jqc
- https://github.com/hnsecurity/vulns/blob/main/HNS-2024-08-Keycloak.md
- https://news.ycombinator.com/item?id=42136000
- https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/
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