CVE-2021-33403

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An integer overflow in the transfer function of a smart contract implementation for Lancer Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses between two large accounts during a transaction."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-08-03T21:24:53.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#code"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.md"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-33403", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An integer overflow in the transfer function of a smart contract implementation for Lancer Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses between two large accounts during a transaction."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#code", "refsource": "MISC", "url": "https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#code"}, {"name": "https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.md", "refsource": "MISC", "url": "https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.md"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:50:42.803Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#code"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.md"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-33403", "datePublished": "2021-08-03T21:24:53.000Z", "dateReserved": "2021-05-20T00:00:00.000Z", "dateUpdated": "2024-08-03T23:50:42.803Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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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:blocklancertoken_project:blocklancertoken:-:*:*:*:*:*:*:*", "matchCriteriaId": "6992DC38-3597-44DD-8A91-0EBF7CAC25EF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An integer overflow in the transfer function of a smart contract implementation for Lancer Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses between two large accounts during a transaction."}, {"lang": "es", "value": "Un desbordamiento de enteros en la funci\u00f3n transfer de una implementaci\u00f3n de contrato inteligente para Lancer Token, un token ERC20 de Ethereum, permite al propietario causar p\u00e9rdidas financieras inesperadas entre dos grandes cuentas durante una transacci\u00f3n"}], "id": "CVE-2021-33403", "lastModified": "2026-06-17T03:54:32.267", "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": "2021-08-03T22:15:09.170", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#code"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#code"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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