GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/256784?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/256784?format=api",
    "vulnerability_id": "VCID-n2jn-c1k6-67b9",
    "summary": "Lack of an access control check in the External Status Check feature allowed any authenticated user to retrieve the configuration of any External Status Check in GitLab EE starting from 14.1 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2.",
    "aliases": [
        {
            "alias": "CVE-2021-39916"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/923289?format=api",
            "purl": "pkg:deb/debian/gitlab@15.10.8%2Bds1-2?distro=sid",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/gitlab@15.10.8%252Bds1-2%3Fdistro=sid"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/923255?format=api",
            "purl": "pkg:deb/debian/gitlab@17.6.5-19?distro=sid",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/gitlab@17.6.5-19%3Fdistro=sid"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/371830?format=api",
            "purl": "pkg:alpm/archlinux/gitlab@14.5.0-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-17gb-vdxv-fqc4"
                },
                {
                    "vulnerability": "VCID-1f4t-7du8-q3ex"
                },
                {
                    "vulnerability": "VCID-5t99-3qbr-sfdj"
                },
                {
                    "vulnerability": "VCID-6ns1-mx95-5ffe"
                },
                {
                    "vulnerability": "VCID-71j9-ra1c-6uhm"
                },
                {
                    "vulnerability": "VCID-989x-8yn6-eqc8"
                },
                {
                    "vulnerability": "VCID-99uy-2jrp-u7cx"
                },
                {
                    "vulnerability": "VCID-9mm8-knzf-a3gb"
                },
                {
                    "vulnerability": "VCID-9wuq-32s1-nydy"
                },
                {
                    "vulnerability": "VCID-buuk-gsy3-w7bp"
                },
                {
                    "vulnerability": "VCID-gvwq-zqmf-ruak"
                },
                {
                    "vulnerability": "VCID-h8td-pdxx-y7en"
                },
                {
                    "vulnerability": "VCID-j8nr-cgq2-ubf9"
                },
                {
                    "vulnerability": "VCID-m6c7-dfbf-r7gr"
                },
                {
                    "vulnerability": "VCID-n2jn-c1k6-67b9"
                },
                {
                    "vulnerability": "VCID-t8nq-hx26-kfc7"
                },
                {
                    "vulnerability": "VCID-uzq6-eukx-8yhv"
                },
                {
                    "vulnerability": "VCID-vfvr-mjgk-4qce"
                },
                {
                    "vulnerability": "VCID-w1jg-8rdt-3ufv"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/gitlab@14.5.0-1"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39916",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51494",
                    "published_at": "2026-05-12T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51418",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51469",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51497",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51456",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.5151",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51508",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51551",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.5153",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51518",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51561",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.5157",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51549",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51502",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51413",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51463",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51507",
                    "published_at": "2026-05-09T12:55:00Z"
                },
                {
                    "value": "0.00281",
                    "scoring_system": "epss",
                    "scoring_elements": "0.51466",
                    "published_at": "2026-05-11T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39916"
        },
        {
            "reference_url": "https://security.archlinux.org/AVG-2604",
            "reference_id": "AVG-2604",
            "reference_type": "",
            "scores": [
                {
                    "value": "Medium",
                    "scoring_system": "archlinux",
                    "scoring_elements": ""
                }
            ],
            "url": "https://security.archlinux.org/AVG-2604"
        }
    ],
    "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-n2jn-c1k6-67b9"
}