CVE-2024-1722
mediumpriority · track · 21EPSS 0.008 · 55 %ileDEEURUUSEPSS · scored 2026-10-26
A flaw was found in Keycloak. In certain conditions, this issue may allow a remote unauthenticated attacker to block other accounts from logging in.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.7–5.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-0464Keycloak: Schwachstelle ermöglicht Denial of ServiceDeutsch2024-02-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um einen Denial of Service Angriff durchzuführen.
- GHSA-cq42-vhv7-xr7pKeycloak Denial of Service via account lockout2024-06-12ghsa · osvUS
In any realm set with "User (Self) registration" a user that is registered with a username in email format can be "locked out" (denied from logging in) using his username.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2024-1722cnnvd
- https://access.redhat.com/security/cve/cve-2024-1722cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2265389cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-1722/cnnvd
- https://github.com/keycloak/keycloak/releases/tag/23.0.6Patchcnnvd
- https://vigilance.fr/vulnerability/Keycloak-denial-of-service-via-Locked-Out-Users-43656cnnvd
- https://access.redhat.com/security/cve/CVE-2024-1722enisa_euvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2265389enisa_euvd
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