CVE & CISA-KEV Catalog

CVE-2023-0105

MEDIUM
6.5
CVSS v3
NVD

Description

A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.

CWE-287Improper Authentication

How to fix

Remediation Available
rh-sso-7/sso76Rocky
Fixed in:openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64leRHSA-2023:7486
Fixed in:openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390xRHSA-2023:7486
Fixed in:openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64RHSA-2023:7486
rh-sso-7/sso76Red Hat / RHEL
Fixed in:openshift-rhel8@sha256:da370ba2e4eb8b5af4876defc3a05437e01d224240aff7e0129bc0b96c99124d_s390xRHSA-2023:7486
Fixed in:openshift-rhel8@sha256:16c055e14341e0373dc090196b3bfb1c962da11343e1322bd7dc59eb9df3b514_amd64RHSA-2023:7486
Fixed in:openshift-rhel8@sha256:42eacda40b19a10366ebf98e8db9b7f14f09e567a66beb454c8c50c2ac7827bf_ppc64leRHSA-2023:7486
rh-sso7-keycloakRed Hat / RHEL
Fixed in:0:18.0.11-2.redhat_00001.1.el7ssoRHSA-2023:7482
Fixed in:0:18.0.11-2.redhat_00001.1.el7ssoRHSA-2023:7482
Fixed in:0:18.0.11-2.redhat_00001.1.el8ssoRHSA-2023:7483
Fixed in:0:18.0.11-2.redhat_00001.1.el8ssoRHSA-2023:7483
Fixed in:0:18.0.11-2.redhat_00001.1.el9ssoRHSA-2023:7484
Fixed in:0:18.0.11-2.redhat_00001.1.el9ssoRHSA-2023:7484
rh-sso7-keycloakRocky
Fixed in:0:18.0.11-2.redhat_00001.1.el7ssoRHSA-2023:7482
Fixed in:0:18.0.11-2.redhat_00001.1.el7ssoRHSA-2023:7482
Fixed in:0:18.0.11-2.redhat_00001.1.el8ssoRHSA-2023:7483
Fixed in:0:18.0.11-2.redhat_00001.1.el8ssoRHSA-2023:7483
Fixed in:0:18.0.11-2.redhat_00001.1.el9ssoRHSA-2023:7484
Fixed in:0:18.0.11-2.redhat_00001.1.el9ssoRHSA-2023:7484
rh-sso7-keycloak-serverRed Hat / RHEL
Fixed in:0:18.0.11-2.redhat_00001.1.el7ssoRHSA-2023:7482
Fixed in:0:18.0.11-2.redhat_00001.1.el8ssoRHSA-2023:7483
Fixed in:0:18.0.11-2.redhat_00001.1.el9ssoRHSA-2023:7484
rh-sso7-keycloak-serverRocky
Fixed in:0:18.0.11-2.redhat_00001.1.el7ssoRHSA-2023:7482
Fixed in:0:18.0.11-2.redhat_00001.1.el8ssoRHSA-2023:7483
Fixed in:0:18.0.11-2.redhat_00001.1.el9ssoRHSA-2023:7484

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityLow
AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Exploit Intelligence

0.70%probability of exploitation in 30 days
49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-35082Critical9.8100%KEV + RansomFix
CVE-2023-35078Critical9.8100%KEV + RansomFix
CVE-2017-7921Critical9.8100%KEV-
CVE-2024-7593Critical9.8100%KEV-
CVE-2023-46805High8.2100%KEV + Ransom-
CVE-2022-40684Critical9.8100%KEV + RansomFix
Embed a live status badge for CVE-2023-0105
CVE-2023-0105 severity badge

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-09.