Skip to main content

Keycloak CVE-2023-2422

HIGH
Improper Certificate Validation (CWE-295)
2023-10-04 secalert@redhat.com
7.1
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
7.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Oct 04, 2023 - 11:15 nvd
HIGH 7.1

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 16 maven packages depend on org.keycloak:keycloak-services (10 direct, 6 indirect)

Ecosystem-wide dependent count for version 21.1.2.

DescriptionNVD

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.

AnalysisAI

A flaw was found in Keycloak. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-295. 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. Affected products include: Redhat Keycloak, Redhat Openshift Container Platform, Redhat Single Sign-On.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2023-48795 MEDIUM POC
5.9 Dec 18

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remot

CVE-2014-3709 HIGH POC
8.8 Oct 18

The org.keycloak.services.resources.SocialResource.callback method in JBoss KeyCloak before 1.0.3.Final allows remote at

CVE-2023-6563 HIGH POC
7.7 Dec 14

An unconstrained memory consumption vulnerability was discovered in Keycloak. Rated high severity (CVSS 7.7), this vulne

CVE-2022-1466 MEDIUM POC
6.5 Apr 26

Due to improper authorization, Red Hat Single Sign-On is vulnerable to users performing actions that they should not be

CVE-2022-1245 CRITICAL
9.8 Jul 08

A privilege escalation flaw was found in the token exchange feature of keycloak. Rated critical severity (CVSS 9.8), thi

CVE-2019-14910 CRITICAL
9.8 Dec 05

A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used in

CVE-2021-20195 CRITICAL
9.6 May 28

A flaw was found in keycloak in versions before 13.0.0. Rated critical severity (CVSS 9.6), this vulnerability is remote

CVE-2023-6134 MEDIUM POC
5.4 Dec 14

A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to t

CVE-2022-0225 MEDIUM POC
5.4 Aug 26

A flaw was found in Keycloak. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack c

CVE-2020-10770 MEDIUM POC
5.3 Dec 15

A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using

CVE-2026-3047 HIGH
8.8 Mar 05

Keycloak's SAML identity provider broker fails to enforce client disabled status during IdP-initiated SSO flows, allowin

CVE-2023-4918 HIGH
8.8 Sep 12

A flaw was found in the Keycloak package, more specifically org.keycloak.userprofile. Rated high severity (CVSS 8.8), th

Share

CVE-2023-2422 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy