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CVE Vulnerabilities

CVE-2021-3632

Improper Authentication

Published: Aug 26, 2022 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Ubuntu
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-3632
CWEhttps://cwe.mitre.org/data/definitions/287.html

A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

NameVendorStart VersionEnd Version
KeycloakRedhat*15.1.0 (excluding)
Single_sign-onRedhat7.0 (including)7.0 (including)
Red Hat Single Sign-On 7.4.9RedHat*
Red Hat Single Sign-On 7.4 for RHEL 6RedHatrh-sso7-keycloak-0:9.0.15-1.redhat_00002.1.el6sso*
Red Hat Single Sign-On 7.4 for RHEL 7RedHatrh-sso7-keycloak-0:9.0.15-1.redhat_00002.1.el7sso*
Red Hat Single Sign-On 7.4 for RHEL 8RedHatrh-sso7-keycloak-0:9.0.15-1.redhat_00002.1.el8sso*

Potential Mitigations

References

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