CVE-2023-0657

lowpriority · track · 0EPSS 0.003 · 23 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.30% (23rd) EPSS

CVSS 3.4 · low

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-27

A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.

cvss

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

3.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.13.4lowCVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.13.4lowCVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · secalert@redhat.com USexploitability 0.9 · impact 2.5

v3.13.4lowCVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · OSV

v3.13.1lowCVSS:3.1/AV:A/AC:H/PR:L/UI:R/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-273USCWE-273USCWE-284USCWE-287USCWE-290USCWE-347US

affected products (11)

Products and version ranges known to be affected.

Hitachi Ops Centerall versionscert_bundDEcpe:/a:hitachi:ops_center:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux Keycloak <22.0.10all versionscert_bundDE
Red Hat JBoss A-MQ Broker <7.12.0all versionscert_bundDE
Red Hat Enterprise Linux≤ Keycloak <22.0.10cert_bundDE
Red Hat JBoss A-MQ≤ Broker <7.12.0cert_bundDE
Red Hat Red Hat build of Keycloak 22< 22-13enisa_euvdEU
Red Hat Red Hat build of Keycloak 22< 22-16enisa_euvdEU
Red Hat Red Hat build of Keycloak 22< 22.0.10-1enisa_euvdEU
Maven org.keycloak:keycloak-services< 22.0.10osvUSpkg:maven/org.keycloak/keycloak-services
Maven org.keycloak:keycloak-services23.0.0 → 24.0.3osvUSpkg:maven/org.keycloak/keycloak-services

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0914Red Hat Enterprise Linux (keycloak): Mehrere SchwachstellenDeutsch2024-04-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Cross-Site Scripting (XSS)-Angriffe durchzuführen oder einen Denial-of-Service-Zustand zu verursachen.
GHSA-7fpj-9hr8-28vhKeycloak vulnerable to impersonation via logout token exchange2024-04-17ghsa · osvUS
Keycloak was found to not properly enforce token types when validating signatures locally. An authenticated attacker could use this flaw to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv NVD CVE.org MITRE

published 2024-11-17modified 2026-06-17

references (12)

External citations — patches, advisories, analysis.

scry

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