CVE-2018-19830

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:business_alliance_financial_circle_project:business_alliance_financial_circle:-:*:*:*:*:*:*:*", "matchCriteriaId": "0B3E457A-49FE-4409-8B8A-8205F2408D6D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The UBSexToken() function of a smart contract implementation for Business Alliance Financial Circle (BAFC), an tradable Ethereum ERC20 token, allows attackers to change the owner of the contract, because the function is public (by default) and does not check the caller's identity."}, {"lang": "es", "value": "La funci\u00f3n UBSexToken() de una implementaci\u00f3n del contrato inteligente para Business Alliance C\u00edrculo Financiero (BAFC), un token de Ethereum ERC20 comercializable, permite a un atacante cambiar el propietario del contrato, ya que la funci\u00f3n es p\u00fablica (por defecto) y no comprueba la d\u00e9cada de las personas que llaman."}], "id": "CVE-2018-19830", "lastModified": "2026-06-17T01:49:57.497", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-12-31T16:15:11.167", "references": [{"source": "cve@mitre.org", "url": "https://github.com/SmartContractResearcher/SmartContractSecurity/blob/master/New%20Vulnerabilities%20Allow%20Anyone%20to%20Own%20Certain%20ERC20-Based%20Smart%20Contracts%28CVE-2018-19830%2C%20CVE-2018-19831%2C%20CVE-2018-19832%2C%20CVE-2018-19833%2C%20CVE-2018-19834%29/README.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/SmartContractResearcher/SmartContractSecurity/blob/master/New%20Vulnerabilities%20Allow%20Anyone%20to%20Own%20Certain%20ERC20-Based%20Smart%20Contracts%28CVE-2018-19830%2C%20CVE-2018-19831%2C%20CVE-2018-19832%2C%20CVE-2018-19833%2C%20CVE-2018-19834%29/README.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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