Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/5476?format=api",
    "vulnerability_id": "VCID-cgp7-3n3a-dyh8",
    "summary": "privilege escalation",
    "aliases": [
        {
            "alias": "CVE-2021-22921"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1609?format=api",
            "purl": "pkg:alpm/archlinux/nodejs@16.4.1-1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/nodejs@16.4.1-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/199772?format=api",
            "purl": "pkg:deb/debian/nodejs@0?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nodejs@0%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/199766?format=api",
            "purl": "pkg:deb/debian/nodejs@12.22.12~dfsg-1~deb11u4?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-55x4-jptm-w7h9"
                },
                {
                    "vulnerability": "VCID-9td8-barr-bbgf"
                },
                {
                    "vulnerability": "VCID-b3us-7znz-n3ds"
                },
                {
                    "vulnerability": "VCID-pu59-pggp-3qdw"
                },
                {
                    "vulnerability": "VCID-yy2n-v7k5-mqas"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nodejs@12.22.12~dfsg-1~deb11u4%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/199764?format=api",
            "purl": "pkg:deb/debian/nodejs@18.20.4%2Bdfsg-1~deb12u1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-55x4-jptm-w7h9"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nodejs@18.20.4%252Bdfsg-1~deb12u1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/199768?format=api",
            "purl": "pkg:deb/debian/nodejs@20.19.2%2Bdfsg-1%2Bdeb13u2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nodejs@20.19.2%252Bdfsg-1%252Bdeb13u2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/199767?format=api",
            "purl": "pkg:deb/debian/nodejs@24.15.0%2Bdfsg%2B~cs24.12.2-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nodejs@24.15.0%252Bdfsg%252B~cs24.12.2-1%3Fdistro=trixie"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1608?format=api",
            "purl": "pkg:alpm/archlinux/nodejs@16.4.0-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-cgp7-3n3a-dyh8"
                },
                {
                    "vulnerability": "VCID-ege5-zx87-wqd8"
                },
                {
                    "vulnerability": "VCID-hcbv-72e3-9qe8"
                },
                {
                    "vulnerability": "VCID-j6v1-98f5-jqd3"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/nodejs@16.4.0-1"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-22921",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00527",
                    "scoring_system": "epss",
                    "scoring_elements": "0.67419",
                    "published_at": "2026-05-30T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-22921"
        },
        {
            "reference_url": "https://security.archlinux.org/AVG-2130",
            "reference_id": "AVG-2130",
            "reference_type": "",
            "scores": [
                {
                    "value": "Medium",
                    "scoring_system": "archlinux",
                    "scoring_elements": ""
                }
            ],
            "url": "https://security.archlinux.org/AVG-2130"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": "4.0 - 6.9",
    "exploitability": "0.5",
    "weighted_severity": "6.2",
    "risk_score": 3.1,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-cgp7-3n3a-dyh8"
}