Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/100447?format=api",
    "vulnerability_id": "VCID-chv7-pff6-ufcn",
    "summary": "An issue in Hikvision DS-2CD1321-I V5.7.21 build 230819 allows attackers to cause a Denial of Service (DoS) via sending a crafted POST request to the endpoint /ISAPI/Security/challenge. The vendor has stated that upgrading to V5.7.23_SP2 fixes the issue.",
    "aliases": [
        {
            "alias": "CVE-2025-45851"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-45851",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00405",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61477",
                    "published_at": "2026-06-11T12:55:00Z"
                },
                {
                    "value": "0.00405",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61584",
                    "published_at": "2026-06-14T12:55:00Z"
                },
                {
                    "value": "0.00405",
                    "scoring_system": "epss",
                    "scoring_elements": "0.61588",
                    "published_at": "2026-06-13T12:55:00Z"
                },
                {
                    "value": "0.00405",
                    "scoring_system": "epss",
                    "scoring_elements": "0.6158",
                    "published_at": "2026-06-12T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-45851"
        },
        {
            "reference_url": "https://www.hikvision.com/en/support/download/firmware/",
            "reference_id": "firmware",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/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/2025-06-27T19:53:09Z/"
                }
            ],
            "url": "https://www.hikvision.com/en/support/download/firmware/"
        },
        {
            "reference_url": "https://crashpark.weebly.com/blog/hikvision-ip-camera-unauthenticated-denial-of-service-dos",
            "reference_id": "hikvision-ip-camera-unauthenticated-denial-of-service-dos",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/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/2025-06-27T19:53:09Z/"
                }
            ],
            "url": "https://crashpark.weebly.com/blog/hikvision-ip-camera-unauthenticated-denial-of-service-dos"
        },
        {
            "reference_url": "https://assets.hikvision.com/prd/public/all/files/202506/releasenote%5CNetwork_Camera-V5.7.23_SP2_Release_Note-E8.pdf",
            "reference_id": "releasenote%5CNetwork_Camera-V5.7.23_SP2_Release_Note-E8.pdf",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/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/2025-06-27T19:53:09Z/"
                }
            ],
            "url": "https://assets.hikvision.com/prd/public/all/files/202506/releasenote%5CNetwork_Camera-V5.7.23_SP2_Release_Note-E8.pdf"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": "7.5 - 7.5",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-chv7-pff6-ufcn"
}