Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/6961?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/6961?format=api",
    "vulnerability_id": "VCID-2ay2-q2hx-zfb7",
    "summary": "access restriction bypass",
    "aliases": [
        {
            "alias": "CVE-2021-34434"
        }
    ],
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            "url": "http://public2.vulnerablecode.io/api/packages/3588?format=api",
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        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/196196?format=api",
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                {
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        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/116657?format=api",
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        },
        {
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            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
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        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/116655?format=api",
            "purl": "pkg:deb/debian/mosquitto@2.0.11-1.2%2Bdeb12u2?distro=trixie",
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            "affected_by_vulnerabilities": [],
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        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/116685?format=api",
            "purl": "pkg:deb/debian/mosquitto@2.0.15-1?distro=trixie",
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            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/mosquitto@2.0.15-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/116659?format=api",
            "purl": "pkg:deb/debian/mosquitto@2.0.21-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
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        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/116658?format=api",
            "purl": "pkg:deb/debian/mosquitto@2.1.2-3?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/mosquitto@2.1.2-3%3Fdistro=trixie"
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    ],
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        {
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    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-34434",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00363",
                    "scoring_system": "epss",
                    "scoring_elements": "0.58756",
                    "published_at": "2026-06-06T12:55:00Z"
                },
                {
                    "value": "0.00363",
                    "scoring_system": "epss",
                    "scoring_elements": "0.58704",
                    "published_at": "2026-06-04T12:55:00Z"
                },
                {
                    "value": "0.00363",
                    "scoring_system": "epss",
                    "scoring_elements": "0.58751",
                    "published_at": "2026-06-05T12:55:00Z"
                },
                {
                    "value": "0.00363",
                    "scoring_system": "epss",
                    "scoring_elements": "0.58747",
                    "published_at": "2026-06-09T12:55:00Z"
                },
                {
                    "value": "0.00363",
                    "scoring_system": "epss",
                    "scoring_elements": "0.58748",
                    "published_at": "2026-06-07T12:55:00Z"
                },
                {
                    "value": "0.00363",
                    "scoring_system": "epss",
                    "scoring_elements": "0.58733",
                    "published_at": "2026-06-08T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-34434"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34434",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34434"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0809",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0809"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28366",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28366"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3592",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3592"
        },
        {
            "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993400",
            "reference_id": "993400",
            "reference_type": "",
            "scores": [],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993400"
        },
        {
            "reference_url": "https://security.archlinux.org/AVG-2332",
            "reference_id": "AVG-2332",
            "reference_type": "",
            "scores": [
                {
                    "value": "Medium",
                    "scoring_system": "archlinux",
                    "scoring_elements": ""
                }
            ],
            "url": "https://security.archlinux.org/AVG-2332"
        },
        {
            "reference_url": "https://usn.ubuntu.com/6492-1/",
            "reference_id": "USN-6492-1",
            "reference_type": "",
            "scores": [],
            "url": "https://usn.ubuntu.com/6492-1/"
        }
    ],
    "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-2ay2-q2hx-zfb7"
}