GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/283831?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/283831?format=api",
    "vulnerability_id": "VCID-a2bg-sm27-2kac",
    "summary": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in how the application parses user agents.",
    "aliases": [
        {
            "alias": "CVE-2022-4131"
        }
    ],
    "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": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2022-4131",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49118",
                    "published_at": "2026-05-12T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49135",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49051",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49114",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49142",
                    "published_at": "2026-05-09T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.4909",
                    "published_at": "2026-05-11T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49136",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49165",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49117",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49172",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49169",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49186",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.4916",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49212",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.4921",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49179",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00258",
                    "scoring_system": "epss",
                    "scoring_elements": "0.49178",
                    "published_at": "2026-04-26T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2022-4131"
        },
        {
            "reference_url": "https://hackerone.com/reports/1772063",
            "reference_id": "1772063",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.3",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-08T16:25:32Z/"
                }
            ],
            "url": "https://hackerone.com/reports/1772063"
        },
        {
            "reference_url": "https://gitlab.com/gitlab-org/gitlab/-/issues/383598",
            "reference_id": "383598",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.3",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-08T16:25:32Z/"
                }
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/383598"
        },
        {
            "reference_url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4131.json",
            "reference_id": "CVE-2022-4131.json",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.3",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-08T16:25:32Z/"
                }
            ],
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4131.json"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": "4.3 - 4.3",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-a2bg-sm27-2kac"
}