CVE-2024-3656

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.86% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 85.5% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2024-10-09 18:59Z1 YR AGO

Last updated

2025-11-20 07:13Z9 MO AGO

Reserved

2024-04-11

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.2

Document digest

36b03b25135333e2efd735b7bb89d7661e840c377e197fc25ceb12801f7baf80

• access.redhat.comRHSA-2024:3572https://access.redhat.com/errata/RHSA-2024:3572vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2024:3575https://access.redhat.com/errata/RHSA-2024:3575vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2024-3656vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2274403https://bugzilla.redhat.com/show_bug.cgi?id=2274403issue-trackingx_refsource_REDHAT
• github.comhttps://github.com/advisories/GHSA-2cww-fgmg-4jqc
• security.humanativaspa.ithttps://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/
• news.ycombinator.comhttps://news.ycombinator.com/item?id=42136000
• github.comhttps://github.com/hnsecurity/vulns/blob/main/HNS-2024-08-Keycloak.md