Vulnerability Details : CVE-2023-2422
A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.
Products affected by CVE-2023-2422
- cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:7.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-2422
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-2422
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
2.8
|
4.2
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N |
1.2
|
4.2
|
Red Hat, Inc. |
CWE ids for CVE-2023-2422
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-2422
-
https://access.redhat.com/errata/RHSA-2023:3892
RHSA-2023:3892 - Security Advisory - Red Hat Customer PortalVendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=2191668
2191668 – (CVE-2023-2422) CVE-2023-2422 keycloak: oauth client impersonationIssue Tracking;Vendor Advisory
-
https://access.redhat.com/errata/RHSA-2023:3884
RHSA-2023:3884 - Security Advisory - Red Hat Customer PortalVendor Advisory
-
https://access.redhat.com/errata/RHSA-2023:3885
RHSA-2023:3885 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/errata/RHSA-2023:3883
RHSA-2023:3883 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/security/cve/CVE-2023-2422
CVE-2023-2422- Red Hat Customer PortalVendor Advisory
-
https://access.redhat.com/errata/RHSA-2023:3888
RHSA-2023:3888 - Security Advisory - Red Hat Customer PortalVendor Advisory
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