Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/42177?format=api",
    "vulnerability_id": "VCID-1a4q-f36b-43aq",
    "summary": "Incorrect Authorization\nA flaw was found in Keycloak which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.",
    "aliases": [
        {
            "alias": "CVE-2021-4133"
        },
        {
            "alias": "GHSA-83x4-9cwr-5487"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/60276?format=api",
            "purl": "pkg:maven/org.keycloak/keycloak-parent@15.1.1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.keycloak/keycloak-parent@15.1.1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/60272?format=api",
            "purl": "pkg:maven/org.keycloak/keycloak-services@15.1.1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.keycloak/keycloak-services@15.1.1"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/60275?format=api",
            "purl": "pkg:maven/org.keycloak/keycloak-parent@12.0.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1a4q-f36b-43aq"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.keycloak/keycloak-parent@12.0.0"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/60271?format=api",
            "purl": "pkg:maven/org.keycloak/keycloak-services@12.0.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1a4q-f36b-43aq"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.keycloak/keycloak-services@12.0.0"
        }
    ],
    "references": [
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2033602",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2033602"
        },
        {
            "reference_url": "https://github.com/keycloak/keycloak/issues/9247",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://github.com/keycloak/keycloak/issues/9247"
        },
        {
            "reference_url": "https://www.oracle.com/security-alerts/cpuapr2022.html",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4133",
            "reference_id": "CVE-2021-4133",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4133"
        },
        {
            "reference_url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487",
            "reference_id": "GHSA-83x4-9cwr-5487",
            "reference_type": "",
            "scores": [],
            "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 1035,
            "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."
        },
        {
            "cwe_id": 863,
            "name": "Incorrect Authorization",
            "description": "The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions."
        },
        {
            "cwe_id": 937,
            "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."
        }
    ],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-1a4q-f36b-43aq"
}