Lookup for vulnerable packages by Package URL.

GET /api/packages/941804?format=api
HTTP 200 OK
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Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/941804?format=api",
    "purl": "pkg:deb/debian/undertow@2.2.4-1?distro=sid",
    "type": "deb",
    "namespace": "debian",
    "name": "undertow",
    "version": "2.2.4-1",
    "qualifiers": {
        "distro": "sid"
    },
    "subpath": "",
    "is_vulnerable": false,
    "next_non_vulnerable_version": "2.2.10-1",
    "latest_non_vulnerable_version": "2.3.20-1",
    "affected_by_vulnerabilities": [],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/52897?format=api",
            "vulnerability_id": "VCID-beaj-uk9m-17be",
            "summary": "Denial of service in Undertow\nA flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27782.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27782.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-27782",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39815",
                            "published_at": "2026-04-21T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.399",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39928",
                            "published_at": "2026-04-11T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.3985",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39905",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39918",
                            "published_at": "2026-04-09T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39893",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39873",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39924",
                            "published_at": "2026-04-16T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39895",
                            "published_at": "2026-04-18T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39751",
                            "published_at": "2026-04-01T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-27782"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901304",
                    "reference_id": "",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901304"
                },
                {
                    "reference_url": "https://github.com/undertow-io/undertow/pull/997/commits/98a9ab7f2d7fe7a7254eaf17d47816c452169c90",
                    "reference_id": "",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/undertow-io/undertow/pull/997/commits/98a9ab7f2d7fe7a7254eaf17d47816c452169c90"
                },
                {
                    "reference_url": "https://issues.redhat.com/browse/UNDERTOW-1813",
                    "reference_id": "",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://issues.redhat.com/browse/UNDERTOW-1813"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27782",
                    "reference_id": "",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27782"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-rhcw-wjcm-9h6g",
                    "reference_id": "GHSA-rhcw-wjcm-9h6g",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-rhcw-wjcm-9h6g"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:0246",
                    "reference_id": "RHSA-2021:0246",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:0246"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:0247",
                    "reference_id": "RHSA-2021:0247",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:0247"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:0248",
                    "reference_id": "RHSA-2021:0248",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:0248"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:0250",
                    "reference_id": "RHSA-2021:0250",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:0250"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:0295",
                    "reference_id": "RHSA-2021:0295",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:0295"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:0327",
                    "reference_id": "RHSA-2021:0327",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:0327"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3205",
                    "reference_id": "RHSA-2021:3205",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3205"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3207",
                    "reference_id": "RHSA-2021:3207",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3207"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3425",
                    "reference_id": "RHSA-2021:3425",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3425"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:5134",
                    "reference_id": "RHSA-2021:5134",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:5134"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/941804?format=api",
                    "purl": "pkg:deb/debian/undertow@2.2.4-1?distro=sid",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/undertow@2.2.4-1%3Fdistro=sid"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/941790?format=api",
                    "purl": "pkg:deb/debian/undertow@2.3.20-1?distro=sid",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/undertow@2.3.20-1%3Fdistro=sid"
                }
            ],
            "aliases": [
                "CVE-2020-27782",
                "GHSA-rhcw-wjcm-9h6g"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-beaj-uk9m-17be"
        }
    ],
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/undertow@2.2.4-1%3Fdistro=sid"
}