A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass
A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.
| Vendor | Product | Versions |
|---|---|---|
| ? | ? | 0, 23.0.0 |
| Red Hat | Red Hat build of Keycloak 22 | 22.0.10-1 |
| Red Hat | Red Hat build of Keycloak 22 | 22-13 |
| Red Hat | Red Hat build of Keycloak 22 | 22-16 |
| Red Hat | Red Hat build of Keycloak 22.0.10 | unspecified |
| Red Hat | RHSSO 7.6.8 | unspecified |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.