Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/79694?format=api",
    "vulnerability_id": "VCID-h8yw-kg7e-cqak",
    "summary": "gitlab: An authorization logic error in the External Status Check API in GitLab EE",
    "aliases": [
        {
            "alias": "CVE-2021-39943"
        }
    ],
    "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://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-39943.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.3",
                    "scoring_system": "cvssv3",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
                }
            ],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-39943.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39943",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47613",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47652",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47672",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47622",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47677",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47673",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47696",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47681",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47739",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47731",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47684",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47664",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47619",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47534",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.00244",
                    "scoring_system": "epss",
                    "scoring_elements": "0.47598",
                    "published_at": "2026-05-07T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39943"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2052909",
            "reference_id": "2052909",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2052909"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 639,
            "name": "Authorization Bypass Through User-Controlled Key",
            "description": "The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data."
        }
    ],
    "exploits": [],
    "severity_range_score": "4.3 - 4.3",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-h8yw-kg7e-cqak"
}