Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/149421?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/149421?format=api",
    "vulnerability_id": "VCID-cw5x-42j4-4yd2",
    "summary": "resolv.c in the DNS resolver in uIP, and dns.c in the DNS resolver in lwIP 1.4.1 and earlier, does not use random values for ID fields and source ports of DNS query packets, which makes it easier for man-in-the-middle attackers to conduct cache-poisoning attacks via spoofed reply packets.",
    "aliases": [
        {
            "alias": "CVE-2014-4883"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/943271?format=api",
            "purl": "pkg:deb/debian/xen@0?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/xen@0%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/943265?format=api",
            "purl": "pkg:deb/debian/xen@4.14.6-1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1tb8-t91c-63bp"
                },
                {
                    "vulnerability": "VCID-26a9-9zz3-wfhh"
                },
                {
                    "vulnerability": "VCID-2trm-w3ww-cfhk"
                },
                {
                    "vulnerability": "VCID-3bw4-631f-e7h6"
                },
                {
                    "vulnerability": "VCID-3se4-qv6j-xqfq"
                },
                {
                    "vulnerability": "VCID-3vdg-5g64-wkbt"
                },
                {
                    "vulnerability": "VCID-46ad-1k9n-j3hm"
                },
                {
                    "vulnerability": "VCID-4cdt-ycjx-6ub4"
                },
                {
                    "vulnerability": "VCID-4k7p-3g95-n7dm"
                },
                {
                    "vulnerability": "VCID-4pra-prf3-1uff"
                },
                {
                    "vulnerability": "VCID-4rmg-db7g-u3hs"
                },
                {
                    "vulnerability": "VCID-5ktg-bhh1-ubbz"
                },
                {
                    "vulnerability": "VCID-5u88-jt28-cfb6"
                },
                {
                    "vulnerability": "VCID-6dax-cddv-7bbs"
                },
                {
                    "vulnerability": "VCID-6jqj-2qwn-8qd9"
                },
                {
                    "vulnerability": "VCID-8k1q-b2kj-w7hh"
                },
                {
                    "vulnerability": "VCID-8tv5-zxmm-r3fk"
                },
                {
                    "vulnerability": "VCID-97zm-r9b6-uqdu"
                },
                {
                    "vulnerability": "VCID-b57c-x3pw-7fb7"
                },
                {
                    "vulnerability": "VCID-bhdk-jmss-4qc8"
                },
                {
                    "vulnerability": "VCID-byu1-7n9c-5fes"
                },
                {
                    "vulnerability": "VCID-c4xu-szkm-1kh6"
                },
                {
                    "vulnerability": "VCID-ee3z-24pr-kqcm"
                },
                {
                    "vulnerability": "VCID-ejhc-6yqt-gkgv"
                },
                {
                    "vulnerability": "VCID-evcg-2z3p-gbch"
                },
                {
                    "vulnerability": "VCID-h9hz-vur7-kyhg"
                },
                {
                    "vulnerability": "VCID-j22f-mbqe-a7dk"
                },
                {
                    "vulnerability": "VCID-p2fk-8snj-x7dy"
                },
                {
                    "vulnerability": "VCID-psaa-jdr7-e3fm"
                },
                {
                    "vulnerability": "VCID-q3p3-tgay-6kcs"
                },
                {
                    "vulnerability": "VCID-qpfc-3296-9ub3"
                },
                {
                    "vulnerability": "VCID-qsma-2ufh-jybe"
                },
                {
                    "vulnerability": "VCID-rdub-9bhg-nbc6"
                },
                {
                    "vulnerability": "VCID-rk2f-yqbb-nyd2"
                },
                {
                    "vulnerability": "VCID-rt5n-e4wq-p3gh"
                },
                {
                    "vulnerability": "VCID-tjgh-waa3-wqgk"
                },
                {
                    "vulnerability": "VCID-upju-tcz7-efg1"
                },
                {
                    "vulnerability": "VCID-uv8m-bj4c-8fes"
                },
                {
                    "vulnerability": "VCID-vv23-mvyn-87hg"
                },
                {
                    "vulnerability": "VCID-wd4s-jxuf-skbp"
                },
                {
                    "vulnerability": "VCID-wz1m-aeaf-nkg7"
                },
                {
                    "vulnerability": "VCID-xqpz-y83m-4uc4"
                },
                {
                    "vulnerability": "VCID-ye1t-qhtx-sucm"
                },
                {
                    "vulnerability": "VCID-z9rm-9p2q-wfag"
                },
                {
                    "vulnerability": "VCID-zkeg-d5d5-vbda"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/xen@4.14.6-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/943263?format=api",
            "purl": "pkg:deb/debian/xen@4.17.5%2B72-g01140da4e8-1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-qpfc-3296-9ub3"
                },
                {
                    "vulnerability": "VCID-upju-tcz7-efg1"
                },
                {
                    "vulnerability": "VCID-wx6w-6y5m-fugn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/xen@4.17.5%252B72-g01140da4e8-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/943267?format=api",
            "purl": "pkg:deb/debian/xen@4.20.2%2B37-g61ff35323e-0%2Bdeb13u1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-qsma-2ufh-jybe"
                },
                {
                    "vulnerability": "VCID-wx6w-6y5m-fugn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/xen@4.20.2%252B37-g61ff35323e-0%252Bdeb13u1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/943266?format=api",
            "purl": "pkg:deb/debian/xen@4.20.2%2B37-g61ff35323e-1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-qsma-2ufh-jybe"
                },
                {
                    "vulnerability": "VCID-wx6w-6y5m-fugn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/xen@4.20.2%252B37-g61ff35323e-1%3Fdistro=trixie"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "http://git.savannah.gnu.org/cgit/lwip.git/commit/?id=9fb46e120655ac481b2af8f865d5ae56c39b831a",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://git.savannah.gnu.org/cgit/lwip.git/commit/?id=9fb46e120655ac481b2af8f865d5ae56c39b831a"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2014-4883",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.29792",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.30012",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.30051",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.30098",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.29911",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.29973",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.30008",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.30013",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.29968",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.29919",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.29936",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.29916",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00114",
                    "scoring_system": "epss",
                    "scoring_elements": "0.29869",
                    "published_at": "2026-04-21T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2014-4883"
        },
        {
            "reference_url": "http://www.kb.cert.org/vuls/id/210620",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "http://www.kb.cert.org/vuls/id/210620"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:lwip_project:lwip:*:*:*:*:*:*:*:*",
            "reference_id": "cpe:2.3:a:lwip_project:lwip:*:*:*:*:*:*:*:*",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:lwip_project:lwip:*:*:*:*:*:*:*:*"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2014-4883",
            "reference_id": "CVE-2014-4883",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.3",
                    "scoring_system": "cvssv2",
                    "scoring_elements": "AV:N/AC:M/Au:N/C:N/I:P/A:N"
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-4883"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 345,
            "name": "Insufficient Verification of Data Authenticity",
            "description": "The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data."
        }
    ],
    "exploits": [],
    "severity_range_score": "4.3 - 4.3",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-cw5x-42j4-4yd2"
}