Lookup for vulnerable packages by Package URL.

GET /api/packages/209379?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/209379?format=api",
    "purl": "pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket@10.0.2",
    "type": "maven",
    "namespace": "org.apache.tomcat.embed",
    "name": "tomcat-embed-websocket",
    "version": "10.0.2",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "10.0.20",
    "latest_non_vulnerable_version": "11.0.1",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/4455?format=api",
            "vulnerability_id": "VCID-j8tk-s915-pbfy",
            "summary": "The simplified implementation of blocking reads and writes introduced in Tomcat 10 and back-ported to Tomcat 9.0.47 onwards exposed a long standing (but extremely hard to trigger) concurrency bug in Apache Tomcat 10.1.0 to 10.1.0-M12, 10.0.0-M1 to 10.0.18, 9.0.0-M1 to 9.0.60 and 8.5.0 to 8.5.77 that could cause client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43980.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43980.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43980",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48008",
                            "published_at": "2026-04-29T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.4806",
                            "published_at": "2026-04-26T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48048",
                            "published_at": "2026-04-24T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48067",
                            "published_at": "2026-04-21T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48052",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48057",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48005",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48055",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48035",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.47996",
                            "published_at": "2026-04-01T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48111",
                            "published_at": "2026-04-18T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48116",
                            "published_at": "2026-04-16T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48063",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48075",
                            "published_at": "2026-04-11T12:55:00Z"
                        },
                        {
                            "value": "0.00248",
                            "scoring_system": "epss",
                            "scoring_elements": "0.48051",
                            "published_at": "2026-04-09T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43980"
                },
                {
                    "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.9",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                        }
                    ],
                    "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
                },
                {
                    "reference_url": "https://github.com/apache/tomcat",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/apache/tomcat"
                },
                {
                    "reference_url": "https://github.com/apache/tomcat/commit/170e0f792bd18ff031677890ba2fe50eb7a376c1",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/apache/tomcat/commit/170e0f792bd18ff031677890ba2fe50eb7a376c1"
                },
                {
                    "reference_url": "https://github.com/apache/tomcat/commit/17f177eeb7df5938f67ef9ea580411b120195f13",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/apache/tomcat/commit/17f177eeb7df5938f67ef9ea580411b120195f13"
                },
                {
                    "reference_url": "https://github.com/apache/tomcat/commit/4a00b0c0890538b9d3107eef8f2e0afadd119beb",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/apache/tomcat/commit/4a00b0c0890538b9d3107eef8f2e0afadd119beb"
                },
                {
                    "reference_url": "https://github.com/apache/tomcat/commit/9651b83a1d04583791525e5f0c4c9089f678d9fc",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/apache/tomcat/commit/9651b83a1d04583791525e5f0c4c9089f678d9fc"
                },
                {
                    "reference_url": "https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-21T14:59:33Z/"
                        }
                    ],
                    "url": "https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3"
                },
                {
                    "reference_url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-21T14:59:33Z/"
                        }
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43980",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43980"
                },
                {
                    "reference_url": "https://tomcat.apache.org/security-10.html",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://tomcat.apache.org/security-10.html"
                },
                {
                    "reference_url": "https://tomcat.apache.org/security-8.html",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://tomcat.apache.org/security-8.html"
                },
                {
                    "reference_url": "https://tomcat.apache.org/security-9.html",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://tomcat.apache.org/security-9.html"
                },
                {
                    "reference_url": "https://www.debian.org/security/2022/dsa-5265",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-21T14:59:33Z/"
                        }
                    ],
                    "url": "https://www.debian.org/security/2022/dsa-5265"
                },
                {
                    "reference_url": "http://www.openwall.com/lists/oss-security/2022/09/28/1",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "3.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "LOW",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-21T14:59:33Z/"
                        }
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2022/09/28/1"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2130599",
                    "reference_id": "2130599",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2130599"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43980",
                    "reference_id": "CVE-2021-43980",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "High",
                            "scoring_system": "apache_tomcat",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43980"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-jx7c-7mj5-9438",
                    "reference_id": "GHSA-jx7c-7mj5-9438",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "LOW",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-jx7c-7mj5-9438"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2022:7272",
                    "reference_id": "RHSA-2022:7272",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2022:7272"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2022:7273",
                    "reference_id": "RHSA-2022:7273",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2022:7273"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/334291?format=api",
                    "purl": "pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket@10.0.20",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket@10.0.20"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/334292?format=api",
                    "purl": "pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket@10.1.1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-b3bb-9ajg-sfc9"
                        },
                        {
                            "vulnerability": "VCID-j6cj-ftyd-3ffa"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket@10.1.1"
                }
            ],
            "aliases": [
                "CVE-2021-43980",
                "GHSA-jx7c-7mj5-9438"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-j8tk-s915-pbfy"
        }
    ],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/4468?format=api",
            "vulnerability_id": "VCID-nvbx-q971-skgm",
            "summary": "The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.",
            "references": [
                {
                    "reference_url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html",
                    "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": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html"
                },
                {
                    "reference_url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html",
                    "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": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html"
                },
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13935.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-2020-13935.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-13935",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.91745",
                            "scoring_system": "epss",
                            "scoring_elements": "0.99685",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.91745",
                            "scoring_system": "epss",
                            "scoring_elements": "0.99684",
                            "published_at": "2026-04-09T12:55:00Z"
                        },
                        {
                            "value": "0.91745",
                            "scoring_system": "epss",
                            "scoring_elements": "0.99683",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.91745",
                            "scoring_system": "epss",
                            "scoring_elements": "0.99682",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.91745",
                            "scoring_system": "epss",
                            "scoring_elements": "0.99681",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.91745",
                            "scoring_system": "epss",
                            "scoring_elements": "0.9968",
                            "published_at": "2026-04-01T12:55:00Z"
                        },
                        {
                            "value": "0.91745",
                            "scoring_system": "epss",
                            "scoring_elements": "0.9969",
                            "published_at": "2026-04-26T12:55:00Z"
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