Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/101455?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/101455?format=api",
    "vulnerability_id": "VCID-qyjc-znbd-dub6",
    "summary": "Windows NTLM V1 Elevation of Privilege Vulnerability",
    "aliases": [
        {
            "alias": "CVE-2025-21311"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/129657?format=api",
            "purl": "pkg:deb/debian/squid@7.1-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@7.1-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/196374?format=api",
            "purl": "pkg:deb/debian/squid@7.5-1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@7.5-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/129555?format=api",
            "purl": "pkg:deb/debian/squid@7.5-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@7.5-1%3Fdistro=trixie"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/5739?format=api",
            "purl": "pkg:deb/debian/squid@4.13-10%2Bdeb11u3",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-5tpw-u7cg-hqd7"
                },
                {
                    "vulnerability": "VCID-7sua-wuyu-cqby"
                },
                {
                    "vulnerability": "VCID-pshb-b8z8-gqhm"
                },
                {
                    "vulnerability": "VCID-qyjc-znbd-dub6"
                },
                {
                    "vulnerability": "VCID-rv56-tjvg-bbbc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@4.13-10%252Bdeb11u3"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/129554?format=api",
            "purl": "pkg:deb/debian/squid@4.13-10%2Bdeb11u3?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-5tpw-u7cg-hqd7"
                },
                {
                    "vulnerability": "VCID-7sua-wuyu-cqby"
                },
                {
                    "vulnerability": "VCID-pshb-b8z8-gqhm"
                },
                {
                    "vulnerability": "VCID-qyjc-znbd-dub6"
                },
                {
                    "vulnerability": "VCID-rv56-tjvg-bbbc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@4.13-10%252Bdeb11u3%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/196372?format=api",
            "purl": "pkg:deb/debian/squid@5.7-2%2Bdeb12u5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-5tpw-u7cg-hqd7"
                },
                {
                    "vulnerability": "VCID-7sua-wuyu-cqby"
                },
                {
                    "vulnerability": "VCID-pshb-b8z8-gqhm"
                },
                {
                    "vulnerability": "VCID-qyjc-znbd-dub6"
                },
                {
                    "vulnerability": "VCID-rv56-tjvg-bbbc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@5.7-2%252Bdeb12u5"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/129552?format=api",
            "purl": "pkg:deb/debian/squid@5.7-2%2Bdeb12u5?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-5tpw-u7cg-hqd7"
                },
                {
                    "vulnerability": "VCID-7sua-wuyu-cqby"
                },
                {
                    "vulnerability": "VCID-pshb-b8z8-gqhm"
                },
                {
                    "vulnerability": "VCID-qyjc-znbd-dub6"
                },
                {
                    "vulnerability": "VCID-rv56-tjvg-bbbc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@5.7-2%252Bdeb12u5%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/196373?format=api",
            "purl": "pkg:deb/debian/squid@6.13-2%2Bdeb13u1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-5tpw-u7cg-hqd7"
                },
                {
                    "vulnerability": "VCID-pshb-b8z8-gqhm"
                },
                {
                    "vulnerability": "VCID-qyjc-znbd-dub6"
                },
                {
                    "vulnerability": "VCID-rv56-tjvg-bbbc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@6.13-2%252Bdeb13u1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/129556?format=api",
            "purl": "pkg:deb/debian/squid@6.13-2%2Bdeb13u1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-5tpw-u7cg-hqd7"
                },
                {
                    "vulnerability": "VCID-pshb-b8z8-gqhm"
                },
                {
                    "vulnerability": "VCID-qyjc-znbd-dub6"
                },
                {
                    "vulnerability": "VCID-rv56-tjvg-bbbc"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/squid@6.13-2%252Bdeb13u1%3Fdistro=trixie"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-21311",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.04422",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89233",
                    "published_at": "2026-06-05T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-21311"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21311",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21311"
        },
        {
            "reference_url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21311",
            "reference_id": "CVE-2025-21311",
            "reference_type": "",
            "scores": [
                {
                    "value": "9.8",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-01-14T20:58:33Z/"
                }
            ],
            "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21311"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 303,
            "name": "Incorrect Implementation of Authentication Algorithm",
            "description": "The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect."
        }
    ],
    "exploits": [],
    "severity_range_score": "9.8 - 9.8",
    "exploitability": "0.5",
    "weighted_severity": "0.0",
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-qyjc-znbd-dub6"
}