Lookup for vulnerable packages by Package URL.

GET /api/packages/67503?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/packages/67503?format=api",
    "purl": "pkg:pypi/starkbank-ecdsa@2.0.0",
    "type": "pypi",
    "namespace": "",
    "name": "starkbank-ecdsa",
    "version": "2.0.0",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "2.0.1",
    "latest_non_vulnerable_version": "2.0.1",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/361263?format=api",
            "vulnerability_id": "VCID-e9pe-mbyf-c3ft",
            "summary": "Signature verification vulnerability in Stark Bank ecdsa libraries\nAn attacker can forge signatures on arbitrary messages that will verify for any public key. This may allow attackers to authenticate as any user within the Stark Bank platform, and bypass signature verification needed to perform operations on the platform, such as send payments and transfer funds. Additionally, the ability for attackers to forge signatures may impact other users and projects using these libraries in different and unforeseen ways.",
            "references": [
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-dotnet",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-dotnet"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-java",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-java"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-node",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-node"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-python",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-python"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-python/commit/d136170666e9510eb63c2572551805807bd4c17f",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-python/commit/d136170666e9510eb63c2572551805807bd4c17f"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-python/compare/v2.0.0...v2.0.1",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-python/compare/v2.0.0...v2.0.1"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-python/releases/tag/v2.0.1",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-python/releases/tag/v2.0.1"
                },
                {
                    "reference_url": "https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries"
                },
                {
                    "reference_url": "https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-9wx7-jrvc-28mm",
                    "reference_id": "GHSA-9wx7-jrvc-28mm",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-9wx7-jrvc-28mm"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/17996?format=api",
                    "purl": "pkg:pypi/starkbank-ecdsa@2.0.1",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@2.0.1"
                }
            ],
            "aliases": [
                "GHSA-9wx7-jrvc-28mm",
                "GMS-2021-165",
                "GMS-2021-170",
                "GMS-2021-43",
                "GMS-2021-62"
            ],
            "risk_score": null,
            "exploitability": null,
            "weighted_severity": null,
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-e9pe-mbyf-c3ft"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/206552?format=api",
            "vulnerability_id": "VCID-wnuz-sw5s-wbdd",
            "summary": "Improper Verification of Cryptographic Signature in starkbank-ecdsa",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43572",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00241",
                            "scoring_system": "epss",
                            "scoring_elements": "0.47624",
                            "published_at": "2026-06-11T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-43572"
                },
                {
                    "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/starkbank-ecdsa/PYSEC-2021-426.yaml",
                    "reference_id": "",
                    "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"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/pypa/advisory-database/tree/main/vulns/starkbank-ecdsa/PYSEC-2021-426.yaml"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-python",
                    "reference_id": "",
                    "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"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-python"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-python/commit/d136170666e9510eb63c2572551805807bd4c17f",
                    "reference_id": "",
                    "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"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-python/commit/d136170666e9510eb63c2572551805807bd4c17f"
                },
                {
                    "reference_url": "https://github.com/starkbank/ecdsa-python/releases/tag/v2.0.1",
                    "reference_id": "",
                    "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"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/starkbank/ecdsa-python/releases/tag/v2.0.1"
                },
                {
                    "reference_url": "https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries",
                    "reference_id": "",
                    "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"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries"
                },
                {
                    "reference_url": "https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43572",
                    "reference_id": "CVE-2021-43572",
                    "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"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43572"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-92vm-mxjf-jqf3",
                    "reference_id": "GHSA-92vm-mxjf-jqf3",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "CRITICAL",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-92vm-mxjf-jqf3"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/17996?format=api",
                    "purl": "pkg:pypi/starkbank-ecdsa@2.0.1",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@2.0.1"
                }
            ],
            "aliases": [
                "CVE-2021-43572",
                "GHSA-92vm-mxjf-jqf3",
                "PYSEC-2021-426"
            ],
            "risk_score": 4.5,
            "exploitability": "0.5",
            "weighted_severity": "9.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-wnuz-sw5s-wbdd"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "4.5",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@2.0.0"
}