Vulnerability Details : CVE-2021-3632
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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-3632
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3632
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3632
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.6
|
5.9
|
NIST |
CWE ids for CVE-2021-3632
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2021-3632
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https://issues.redhat.com/browse/KEYCLOAK-18500
Log In | Red Hat IDPPermissions Required;Vendor Advisory
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https://access.redhat.com/security/cve/CVE-2021-3632
CVE-2021-3632- Red Hat Customer PortalVendor Advisory
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https://github.com/keycloak/keycloak/pull/8203
KEYCLOAK-18500: Prevent security flaw using passwordless authentication by fritterhoff · Pull Request #8203 · keycloak/keycloak · GitHubIssue Tracking;Patch;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=1978196
1978196 – (CVE-2021-3632) CVE-2021-3632 keycloak: Anyone can register a new device when there is no device registered for passwordless loginIssue Tracking;Vendor Advisory
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https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4
Prevent security flaw using passwordless authentication · keycloak/keycloak@65480cb · GitHubPatch;Third Party Advisory
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