HIGH · 7.5

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 l...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
RedhatKeycloak< 15.1.0
RedhatSingle Sign-On7.0
RedhatEnterprise Linux6.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-3632?

CVE-2021-3632 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 l...

How severe is CVE-2021-3632?

CVE-2021-3632 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3632?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Keycloak, Redhat Single Sign-On, Redhat Enterprise Linux.