Lookup for vulnerable packages by Package URL.

GET /api/packages/83232?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/83232?format=api",
    "purl": "pkg:maven/io.undertow/undertow-core@2.1.0",
    "type": "maven",
    "namespace": "io.undertow",
    "name": "undertow-core",
    "version": "2.1.0",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "2.3.20.Final",
    "latest_non_vulnerable_version": "2.4.0.Beta1",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/53957?format=api",
            "vulnerability_id": "VCID-14ff-vn3t-vyhy",
            "summary": "Undertow vulnerable to memory exhaustion due to buffer leak\nBuffer leak on incoming WebSocket PONG message(s) in Undertow before 2.0.40 and 2.2.10 can lead to memory exhaustion and allow a denial of service.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3690.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-2021-3690.json"
                },
                {
                    "reference_url": "https://access.redhat.com/security/cve/CVE-2021-3690",
                    "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://access.redhat.com/security/cve/CVE-2021-3690"
                },
                {
                    "reference_url": "https://access.redhat.com/security/cve/cve-2021-3690#cve-cvss-v3",
                    "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://access.redhat.com/security/cve/cve-2021-3690#cve-cvss-v3"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3690",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51106",
                            "published_at": "2026-04-01T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51239",
                            "published_at": "2026-04-16T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.512",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51214",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51236",
                            "published_at": "2026-04-11T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51195",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51141",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51183",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51159",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.00278",
                            "scoring_system": "epss",
                            "scoring_elements": "0.51192",
                            "published_at": "2026-04-09T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3690"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991299",
                    "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=1991299"
                },
                {
                    "reference_url": "https://github.com/undertow-io/undertow",
                    "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"
                },
                {
                    "reference_url": "https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877",
                    "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/commit/c7e84a0b7efced38506d7d1dfea5902366973877"
                },
                {
                    "reference_url": "https://issues.redhat.com/browse/UNDERTOW-1935",
                    "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-1935"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3690",
                    "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-2021-3690"
                },
                {
                    "reference_url": "https://www.mend.io/vulnerability-database/CVE-2021-3690",
                    "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://www.mend.io/vulnerability-database/CVE-2021-3690"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-fj7c-vg2v-ccrm",
                    "reference_id": "GHSA-fj7c-vg2v-ccrm",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-fj7c-vg2v-ccrm"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3216",
                    "reference_id": "RHSA-2021:3216",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3216"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3217",
                    "reference_id": "RHSA-2021:3217",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3217"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3218",
                    "reference_id": "RHSA-2021:3218",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3218"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3219",
                    "reference_id": "RHSA-2021:3219",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3219"
                },
                {
                    "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-2021:3466",
                    "reference_id": "RHSA-2021:3466",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3466"
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                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3467",
                    "reference_id": "RHSA-2021:3467",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3467"
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                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3468",
                    "reference_id": "RHSA-2021:3468",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3468"
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                {
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                    "reference_id": "RHSA-2021:3471",
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                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:3471"
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                {
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                    "reference_id": "RHSA-2021:3516",
                    "reference_type": "",
                    "scores": [],
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                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:3534",
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                    "scores": [],
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                    "reference_id": "RHSA-2021:3656",
                    "reference_type": "",
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                    "reference_id": "RHSA-2021:3658",
                    "reference_type": "",
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                    "url": "https://access.redhat.com/errata/RHSA-2021:3658"
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                {
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                    "reference_id": "RHSA-2021:5134",
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                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2022:1029",
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                    "url": "https://access.redhat.com/errata/RHSA-2022:1029"
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            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/81440?format=api",
                    "purl": "pkg:maven/io.undertow/undertow-core@2.2.10",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.2.10"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/143962?format=api",
                    "purl": "pkg:maven/io.undertow/undertow-core@2.2.10.Final",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-1vrj-chs2-d3ab"
                        },
                        {
                            "vulnerability": "VCID-2cv5-9v62-kfbm"
                        },
                        {
                            "vulnerability": "VCID-4v1f-kt5y-w7d1"
                        },
                        {
                            "vulnerability": "VCID-5585-a76n-zubf"
                        },
                        {
                            "vulnerability": "VCID-62gn-nwup-8uat"
                        },
                        {
                            "vulnerability": "VCID-7yc7-e35f-8uhj"
                        },
                        {
                            "vulnerability": "VCID-93ut-2de3-ckc5"
                        },
                        {
                            "vulnerability": "VCID-cf5j-2dz8-7bbu"
                        },
                        {
                            "vulnerability": "VCID-ns3p-22xg-q3bz"
                        },
                        {
                            "vulnerability": "VCID-usz2-tufg-k7gz"
                        },
                        {
                            "vulnerability": "VCID-xftw-raz7-b7e1"
                        },
                        {
                            "vulnerability": "VCID-xme8-usmd-vqg3"
                        },
                        {
                            "vulnerability": "VCID-yn69-8upm-7yc2"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.2.10.Final"
                }
            ],
            "aliases": [
                "CVE-2021-3690",
                "GHSA-fj7c-vg2v-ccrm",
                "GMS-2022-2964"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-14ff-vn3t-vyhy"
        },
        {
            "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"
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                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27782.json"
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                {
                    "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": "0.39924",
                            "published_at": "2026-04-16T12:55:00Z"
                        },
                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39873",
                            "published_at": "2026-04-13T12:55:00Z"
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                        {
                            "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": "0.399",
                            "published_at": "2026-04-02T12:55:00Z"
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                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39751",
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                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39928",
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                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39918",
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                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.39905",
                            "published_at": "2026-04-08T12:55:00Z"
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                        {
                            "value": "0.00182",
                            "scoring_system": "epss",
                            "scoring_elements": "0.3985",
                            "published_at": "2026-04-07T12:55:00Z"
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                    ],
                    "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": ""
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