CVE-2021-3632

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Source
https://cve.org/CVERecord?id=CVE-2021-3632
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3632.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-3632
Aliases
Downstream
Published
2022-08-26T16:15:09.110Z
Modified
2026-07-22T03:44:59.302179Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_RANGE",
            "extracted_events": [
                {
                    "introduced": "7.4"
                },
                {
                    "fixed": "7.4.9"
                }
            ],
            "cpes": [
                "cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:single_sign-on"
        },
        {
            "source": "CPE_STRING",
            "extracted_events": [
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                }
            ],
            "cpes": [
                "cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:single_sign-on"
        }
    ]
}
References

Affected packages

Git / github.com/keycloak/keycloak

Affected ranges

Type
GIT
Repo
https://github.com/keycloak/keycloak
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
843566019e09d15fa0e4778356463bc9a430e965
Fixed
65480cb5a11630909c086f79d396004499fbd1e4
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "15.1.0"
        }
    ],
    "cpe": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*"
}

Affected versions

1.*
1.0-alpha-1
1.0-alpha-1-12062013
1.0-alpha-2
1.0-alpha-3
1.0-beta-1
1.0-beta-2
1.0-beta-4
1.0-final
1.0-rc-1
1.0.0.Final
1.1.0.Beta2
1.3.0.Final
2.*
2.4.0.Test

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3632.json"
vanir_signatures_modified 
"2026-07-22T03:44:59Z"
vanir_signatures 
[
    {
        "target": {
            "file": "services/src/main/java/org/keycloak/authentication/authenticators/browser/WebAuthnPasswordlessAuthenticatorFactory.java"
        },
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2021-3632-5fbb4664",
        "signature_version": "v1",
        "source": "https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4",
        "digest": {
            "line_hashes": [
                "118702147000229535284737376204798166263",
                "322578119483772270387982475281248716305"
            ],
            "threshold": 0.9
        }
    }
]