Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/206552?format=api
{ "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", "aliases": [ { "alias": "CVE-2021-43572" }, { "alias": "GHSA-92vm-mxjf-jqf3" }, { "alias": "PYSEC-2021-426" } ], "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" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/67490?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/67491?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/67492?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/67493?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/67494?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.4" }, { "url": "http://public2.vulnerablecode.io/api/packages/67495?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.5", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.5" }, { "url": "http://public2.vulnerablecode.io/api/packages/67496?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.6", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.6" }, { "url": "http://public2.vulnerablecode.io/api/packages/67497?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.7" }, { "url": "http://public2.vulnerablecode.io/api/packages/67498?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.8", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.8" }, { "url": "http://public2.vulnerablecode.io/api/packages/67499?format=api", "purl": "pkg:pypi/starkbank-ecdsa@0.1.9", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@0.1.9" }, { "url": "http://public2.vulnerablecode.io/api/packages/67500?format=api", "purl": "pkg:pypi/starkbank-ecdsa@1.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@1.0.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/67501?format=api", "purl": "pkg:pypi/starkbank-ecdsa@1.1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@1.1.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/67502?format=api", "purl": "pkg:pypi/starkbank-ecdsa@1.1.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@1.1.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/67503?format=api", "purl": "pkg:pypi/starkbank-ecdsa@2.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-e9pe-mbyf-c3ft" }, { "vulnerability": "VCID-wnuz-sw5s-wbdd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starkbank-ecdsa@2.0.0" } ], "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": "0.47764", "published_at": "2026-06-12T12:55:00Z" }, { "value": "0.00241", "scoring_system": "epss", "scoring_elements": "0.47624", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.00241", "scoring_system": "epss", "scoring_elements": "0.4776", "published_at": "2026-06-14T12:55:00Z" }, { "value": "0.00241", "scoring_system": "epss", "scoring_elements": "0.4778", "published_at": "2026-06-13T12:55:00Z" } ], "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" } ], "weaknesses": [ { "cwe_id": 347, "name": "Improper Verification of Cryptographic Signature", "description": "The product does not verify, or incorrectly verifies, the cryptographic signature for data." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." } ], "exploits": [], "severity_range_score": "9.0 - 10.0", "exploitability": "0.5", "weighted_severity": "9.0", "risk_score": 4.5, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-wnuz-sw5s-wbdd" }