A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests simultaneously, attackers can exceed the configured limits for failed attempts before the system locks them out. This timing loophole enables attackers to make more guesses at passwords than intended, potentially compromising account security on affected systems.
CVE-2024-4629
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5(low)
- EPSS
- 52.0%
- KEV
- Not listed
Published
September 3, 2024
Last Modified
November 21, 2024
References (11)
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:6493
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:6494
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:6495
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:6497
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:6499
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:6500
- secalert@redhathttps://access.redhat.com/errata/RHSA-2024:6501
- secalert@redhathttps://access.redhat.com/security/cve/CVE-2024-4629
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2276761
- af854a3a-2127-422b-91ae-364da2661108https://github.com/hnsecurity/vulns/blob/main/HNS-2024-09-Keycloak.md
- af854a3a-2127-422b-91ae-364da2661108https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | org.keycloak-keycloak-parent | 2024-09-09 | redhat |
| redhat | rh-sso7-keycloak-0:18.0.16-1.redhat_00001.1.el7sso | 2024-09-09 | redhat |
| redhat | rh-sso7-keycloak-0:18.0.16-1.redhat_00001.1.el8sso | 2024-09-09 | redhat |
| redhat | rh-sso7-keycloak-0:18.0.16-1.redhat_00001.1.el9sso | 2024-09-09 | redhat |
| redhat | rh-sso-7/sso76-openshift-rhel8:7.6-52 | 2024-09-09 | redhat |
| redhat | rhbk/keycloak-rhel9-operator:22-20 | 2024-09-09 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(7)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- Red HatRHSA-2024:6493LOW2024-09-03
RHSA-2024:6493 — Low
- Red HatRHSA-2024:6494LOW2024-09-03
RHSA-2024:6494 — Low
- Red HatRHSA-2024:6495LOW2024-09-03
RHSA-2024:6495 — Low
- Red HatRHSA-2024:6497LOW2024-09-03
RHSA-2024:6497 — Low
- Red HatRHSA-2024:6499LOW2024-09-03
RHSA-2024:6499 — Low
- Red HatRHSA-2024:6500LOW2024-09-03
RHSA-2024:6500 — Low
- Red HatRHSA-2024:6501LOW2024-09-03
RHSA-2024:6501 — Low
Frequently asked(5)
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