CVE-2023-0264

mediumPriorität · verfolgen · 30OT-Risiko · erhöhtEPSS 0.013 · 70. PerzentilExploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

1.27% (70th) EPSS

CVSS 5 · medium

Is it mine?

16 products

Prüfe deine Angriffsfläche

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · bewertet 2026-10-27

A flaw was found in Keycloaks OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session tokens. This issue could impact confidentiality, integrity, and availability.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

8.7

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 4.7–8.7

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Lprimary · NVD / NIST USAusnutzbarkeit 1.6 · Auswirkung 3.4

v3.17.1highAV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · OSV

v3.14.7mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:Psecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-287USprimärCWE-287USCWE-303USCWE-345US

Exploits (2)

Öffentlicher Proof-of-Concept- und Exploit-Code.

ElianGonzi00/pocKeycloakCVE-2023-0264ElianGonzi00/pocKeycloakCVE-2023-0264PoC · poc_in_github
twwd/CVE-2023-0264A small PoC for the Keycloak vulnerability CVE-2023-0264PoC · poc_in_github

betroffene Produkte (16)

Betroffene Produkte und Versionsbereiche.

Hitachi Ops Center < Common Services 10.9.3-00alle Versionencert_bundDEcpe:/a:hitachi:ops_center:common_services_10.9.3-00
redhat.com KeyCloak18.0.6 → 18.0.6enisa_euvdEU
Red Hat Inc. Keycloak≤ 22.0.1fstec_bduRU
Red Hat Inc. Keycloak≤ 21.0.1fstec_bduRU
Red Hat Inc. Red Hat Single Sign-On≤ 7.6fstec_bduRU
Red Hat Inc. Red Hat Single Sign-On≤ 7fstec_bduRU
redhat keycloak< 18.0.6nvdUScpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
redhat openshift container platform= 4.10nvdUScpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:*
redhat openshift container platform= 4.9nvdUScpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:*
redhat openshift container platform for ibm linuxone= 4.10nvdUScpe:2.3:a:redhat:openshift_container_platform_for_ibm_linuxone:*:*:*:*:*:*:*:*
redhat openshift container platform for ibm linuxone= 4.9nvdUScpe:2.3:a:redhat:openshift_container_platform_for_ibm_linuxone:*:*:*:*:*:*:*:*
redhat openshift container platform ibm z systems= 4.10nvdUScpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:*:*:*:*:*:*:*:*
redhat openshift container platform ibm z systems= 4.9nvdUScpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:*:*:*:*:*:*:*:*
redhat single sign-onalle VersionennvdUScpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*
redhat single sign-on< 7.6.2nvdUScpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*
Maven org.keycloak:keycloak-services< 21.0.1osvUSpkg:maven/org.keycloak/keycloak-services

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

WID-SEC-W-2023-0562Keycloak: Mehrere SchwachstellenDeutsch2023-03-02csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um falsche Informationen darzustellen und Sicherheitsvorkehrungen zu umgehen.
GHSA-9g98-5mj6-f9mvKeycloak vulnerable to user impersonation via stolen UUID code2023-03-02ghsa · osvUS
Keycloak's OpenID Connect user authentication was found to incorrectly authenticate requests. An authenticated attacker who could also obtain a certain piece of info from a user request, from a victim within the same realm, could use that data to impersonate the victim and generate new session tokens.

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

veröffentlicht 2023-08-04geändert 2026-07-29

verwandt (7,714)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2026-105133US	high7.3OT kritisch	79.5% (100th)	KEV	2026-10-04
A vulnerability was detected in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component…
CVE-2026-82329US	—OT kritisch	14.4% (97th)	KEV	2026-08-28
JFrog Artifactory contains an authentication weakness that, under default configuration, may allow an unauthenticated attacker with network access to obtain administrative privileg…
CVE-2026-42018US	—OT kritisch	9.80% (96th)	KEV	2026-08-12
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
CVE-2026-65400US	—OT kritisch	1.72% (77th)	KEV	2026-08-06
An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, ma…
CVE-2026-16232US	critical9.8OT kritisch	3.52% (89th)	KEV	2026-07-22
An authentication bypass vulnerability in the Check Point SmartConsole login process allows an unauthenticated remote attacker to obtain an application login token and use it to au…

+7709 weitere

Referenzen (5)

Externe Belege — Patches, Meldungen, Analysen.

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