Vulnerability Details : CVE-2023-6544
A flaw was found in the Keycloak package. This issue occurs due to a permissive regular expression hardcoded for filtering which allows hosts to register a dynamic client. A malicious user with enough information about the environment could jeopardize an environment with this specific Dynamic Client Registration and TrustedDomain configuration previously unauthorized.
Products affected by CVE-2023-6544
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Exploit prediction scoring system (EPSS) score for CVE-2023-6544
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-6544
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
2.8
|
2.5
|
Red Hat, Inc. | 2024-04-25 |
CWE ids for CVE-2023-6544
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The product uses a regular expression that does not sufficiently restrict the set of allowed values.Assigned by: secalert@redhat.com (Primary)
References for CVE-2023-6544
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https://access.redhat.com/security/cve/CVE-2023-6544
CVE-2023-6544- Red Hat Customer Portal
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https://bugzilla.redhat.com/show_bug.cgi?id=2253116
2253116 – (CVE-2023-6544) CVE-2023-6544 keycloak: Authorization Bypass
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https://access.redhat.com/errata/RHSA-2024:1861
RHSA-2024:1861 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1864
RHSA-2024:1864 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1867
RHSA-2024:1867 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1860
RHSA-2024:1860 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1866
RHSA-2024:1866 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1868
RHSA-2024:1868 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:1862
RHSA-2024:1862 - Security Advisory - Red Hat Customer Portal
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