CVE-2023-2585

highpriority · track · 32EPSS 0.007 · 53 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.69% (53rd) EPSS

CVSS 8.1 · high

Is it mine?

24 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Keycloak's device authorization grant does not correctly validate the device code and client ID. An attacker client could abuse the missing validation to spoof a client consent request and trick an authorization admin into granting consent to a malicious OAuth client or possible unauthorized access to an existing OAuth client.

cvss

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

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.5–8.1

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 5.2

v3.13.5lowAV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:Nsecondary · secalert@redhat.com USexploitability 0.9 · impact 2.5

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:Nsecondary · OSV

v3.17.4highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-358USCWE-358USCWE-358US

affected products (24)

Products and version ranges known to be affected.

Open Source Keycloakall versionscert_bundDEcpe:/a:keycloak:keycloak:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Single Sign On 7all versionscert_bundDEcpe:/a:redhat:single_sign_on:7.x
Red Hat RHEL-8 based Middleware Containers< 7.6-24enisa_euvdEU
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7< 0:18.0.8-1.redhat_00001.1.el7ssoenisa_euvdEU
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8< 0:18.0.8-1.redhat_00001.1.el8ssoenisa_euvdEU
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9< 0:18.0.8-1.redhat_00001.1.el9ssoenisa_euvdEU
Red Hat Inc. Keycloak≤ 22.0.1fstec_bduRU
Red Hat Inc. Keycloak≤ 21.1.2fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 8 based Middleware Containersfstec_bduRU
Red Hat Inc. Red Hat Single Sign-On≤ 7fstec_bduRU
Red Hat Inc. Red Hat Single Sign-On≤ 7.6fstec_bduRU
redhat openshift container platform= 4.11nvdUScpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:*
redhat openshift container platform= 4.12nvdUScpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:*
redhat openshift container platform for ibm z= 4.10nvdUScpe:2.3:a:redhat:openshift_container_platform_for_ibm_z:*:*:*:*:*:*:*:*
redhat openshift container platform for ibm z= 4.9nvdUScpe:2.3:a:redhat:openshift_container_platform_for_ibm_z:*:*:*:*:*:*:*:*
redhat openshift container platform for linuxone= 4.10nvdUScpe:2.3:a:redhat:openshift_container_platform_for_linuxone:*:*:*:*:*:*:*:*
redhat openshift container platform for linuxone= 4.9nvdUScpe:2.3:a:redhat:openshift_container_platform_for_linuxone:*:*:*:*:*:*:*:*
redhat openshift container platform for power= 4.10nvdUScpe:2.3:a:redhat:openshift_container_platform_for_power:*:*:*:*:*:*:*:*
redhat openshift container platform for power= 4.9nvdUScpe:2.3:a:redhat:openshift_container_platform_for_power:*:*:*:*:*:*:*:*

showing 20 of 24

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1573Keycloak: Mehrere Schwachstellen ermöglichen Umgehen von SicherheitsvorkehrungenDeutsch2023-06-26csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Keycloak und Red Hat Single Sign On ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
GHSA-f5h4-wmp5-xhg6Client Spoofing within the Keycloak Device Authorisation Grant2023-06-30ghsa · osvUS
Under certain pre-conditions the vulnerability allows an attacker to spoof parts of the device flow and use a device_code to retrieve an access token for other OAuth clients.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2023-12-21modified 2026-06-17

references (24)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan