CVE-2023-3597
Keycloak: secondary factor bypass in step-up authentication
MEDIUM 5.0
At a glance
- Source
- NVD
- EPSS
- EPSS 0.60 % · percentile 49 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Deferred
Description
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.
Weaknesses (CWE)
- CWE-287 — Improper Authentication
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L | redhat |
| CVSS 3.1 | MEDIUM 5.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L | NVD · secalert@redhat.com (Secondary) |
Advisories
- GHSA-4f53-xh3v-g8x4 — Keycloak secondary factor bypass in step-up authentication
European references
- ENISA EUVD · EUVD-2024-1090
- GCVE · GCVE-0-2023-3597
Affected products
| Product | Versions |
|---|---|
| keycloak | affected 0 < 22.0.10 ; affected 23.0.0 < 24.0.3 |
| Red Hat · Red Hat build of Keycloak 22 | unaffected 22.0.10-1 < * |
| Red Hat · Red Hat build of Keycloak 22 | unaffected 22-13 < * |
| Red Hat · Red Hat build of Keycloak 22 | unaffected 22-16 < * |
| Red Hat · Red Hat build of Keycloak 22.0.10 | |
| Red Hat · RHSSO 7.6.8 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |