GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/33743?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/33743?format=api",
    "vulnerability_id": "VCID-nskz-nvjh-yyff",
    "summary": "Multiple vulnerabilities have been found in Alpine, the worst of which could result in denial of service.",
    "aliases": [
        {
            "alias": "CVE-2021-46853"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/921490?format=api",
            "purl": "pkg:deb/debian/alpine@2.25%2Bdfsg1-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/alpine@2.25%252Bdfsg1-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582397?format=api",
            "purl": "pkg:deb/debian/alpine@2.26%2Bdfsg-1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/alpine@2.26%252Bdfsg-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582976?format=api",
            "purl": "pkg:deb/debian/alpine@2.26%2Bdfsg-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/alpine@2.26%252Bdfsg-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582977?format=api",
            "purl": "pkg:deb/debian/alpine@2.26%2Bdfsg-3?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/alpine@2.26%252Bdfsg-3%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582978?format=api",
            "purl": "pkg:deb/debian/alpine@2.26%2Bdfsg-5?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/alpine@2.26%252Bdfsg-5%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/73472?format=api",
            "purl": "pkg:ebuild/mail-client/alpine@2.25",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/mail-client/alpine@2.25"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582396?format=api",
            "purl": "pkg:deb/debian/alpine@2.24%2Bdfsg1-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-j774-u18y-z7dc"
                },
                {
                    "vulnerability": "VCID-nskz-nvjh-yyff"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/alpine@2.24%252Bdfsg1-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582975?format=api",
            "purl": "pkg:deb/debian/alpine@2.24%2Bdfsg1-1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-j774-u18y-z7dc"
                },
                {
                    "vulnerability": "VCID-nskz-nvjh-yyff"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/alpine@2.24%252Bdfsg1-1%3Fdistro=trixie"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-46853",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.54971",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55073",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55098",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55123",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55135",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55115",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55139",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55118",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55053",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00408",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61142",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.00408",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61191",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.00408",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61251",
                    "published_at": "2026-05-09T12:55:00Z"
                },
                {
                    "value": "0.00408",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61213",
                    "published_at": "2026-05-11T12:55:00Z"
                },
                {
                    "value": "0.00408",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61239",
                    "published_at": "2026-05-12T12:55:00Z"
                },
                {
                    "value": "0.00408",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61297",
                    "published_at": "2026-05-14T12:55:00Z"
                },
                {
                    "value": "0.00408",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61193",
                    "published_at": "2026-04-29T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-46853"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46853",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46853"
        },
        {
            "reference_url": "https://bugs.gentoo.org/807613",
            "reference_id": "807613",
            "reference_type": "",
            "scores": [
                {
                    "value": "5.9",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-05T13:37:42Z/"
                }
            ],
            "url": "https://bugs.gentoo.org/807613"
        },
        {
            "reference_url": "https://security.gentoo.org/glsa/202301-07",
            "reference_id": "GLSA-202301-07",
            "reference_type": "",
            "scores": [
                {
                    "value": "5.9",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-05T13:37:42Z/"
                }
            ],
            "url": "https://security.gentoo.org/glsa/202301-07"
        },
        {
            "reference_url": "https://nostarttls.secvuln.info/",
            "reference_id": "nostarttls.secvuln.info",
            "reference_type": "",
            "scores": [
                {
                    "value": "5.9",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-05T13:37:42Z/"
                }
            ],
            "url": "https://nostarttls.secvuln.info/"
        },
        {
            "reference_url": "https://usn.ubuntu.com/7360-1/",
            "reference_id": "USN-7360-1",
            "reference_type": "",
            "scores": [],
            "url": "https://usn.ubuntu.com/7360-1/"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": "5.9 - 5.9",
    "exploitability": "0.5",
    "weighted_severity": "4.1",
    "risk_score": 2.0,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-nskz-nvjh-yyff"
}