CVE-2023-0091

lowpriority · track · 15OT risk · elevatedEPSS 0.005 · 41 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.48% (41st) EPSS

CVSS 3.8 · low

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensitive information.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–6.5

v3.13.8lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 2.5

v3.13.8lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.13.8lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Nsecondaryexploitability 1.2 · impact 2.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · OSV

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-284USCWE-863US

affected products (20)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Dell Data Protection Advisor <19.12all versionscert_bundDE
Hitachi Ops Centerall versionscert_bundDEcpe:/a:hitachi:ops_center:-
IBM DB2all versionscert_bundDEcpe:/a:ibm:db2:-
IBM FileNet Content Managerall versionscert_bundDEcpe:/a:ibm:filenet_content_manager:-
IBM FileNet Content Manager 5.5.10all versionscert_bundDEcpe:/a:ibm:filenet_content_manager:5.5.10
IBM FileNet Content Manager 5.5.4all versionscert_bundDEcpe:/a:ibm:filenet_content_manager:5.5.4
IBM FileNet Content Manager 5.5.8all versionscert_bundDEcpe:/a:ibm:filenet_content_manager:5.5.8
IBM FileNet Content Manager 5.5.9all versionscert_bundDEcpe:/a:ibm:filenet_content_manager:5.5.9
IBM Operational Decision Manager 8.10.xall versionscert_bundDEcpe:/a:ibm:operational_decision_manager:8.10.x
IBM Operational Decision Manager 8.11.xall versionscert_bundDEcpe:/a:ibm:operational_decision_manager:8.11.x
IBM QRadar SIEM 7.5all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.5
IBM SPSS Collaboration and Deployment Servicesall versionscert_bundDEcpe:/a:ibm:spss:collaboration_and_deployment_services
Open Source Keycloak <20.0.3all versionscert_bundDE
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Dell Data Protection Advisor< 19.12cert_bundDE
Open Source Keycloak< 20.0.3cert_bundDE
redhat keycloakall versionsnvdUScpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Maven org.keycloak:keycloak-core< 20.0.3osvUSpkg:maven/org.keycloak/keycloak-core

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0034Keycloak: Schwachstelle ermöglicht Manipulation von DatenDeutsch2023-01-05csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Daten zu manipulieren.
WID-SEC-W-2023-0086Keycloak: Mehrere SchwachstellenDeutsch2023-01-12csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um einen Denial of Service Angriff durchzuführen und Sicherheitsmaßnahmen zu umgehen.
GHSA-v436-q368-hvggKeycloak has lack of validation of access token on client registrations endpoint2023-01-12ghsa · osvUS
When a service account with the create-client or manage-clients role can use the client-registration endpoints to create/manage clients with an access token. If the access token is leaked, there is an option to revoke the specific token. However, the check is not performed in client-registration endpoints.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2023-01-13modified 2026-06-17

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+5006 more

references (4)

External citations — patches, advisories, analysis.

scry

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