{"id":"CVE-2018-13539","aliases":["EUVD-2018-5477","GHSA-c36j-xv9p-fqv4"],"status":"published","title":"The mintToken function of a smart contract implementation for Bcxss, an Ethereum token, has an...","description":"The mintToken function of a smart contract implementation for Bcxss, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01076,"percentile":0.65204,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2018-07-09T06:00:00Z","modified":"2026-06-17T01:39:37Z","products":[{"vendor":"bcxss_project","product":"bcxss"}],"references":[{"url":"https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/BlockChainsSecurity/EtherTokens/tree/master/Bcxss","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-13539"},{"url":"https://github.com/advisories/GHSA-c36j-xv9p-fqv4"}],"sources":{"cve":[{"id":"CVE-2018-13539","description":"The mintToken function of a smart contract implementation for Bcxss, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.","status":"published","published":"2018-07-09T06:00:00Z","modified":"2024-08-05T09:07:52.05Z","updated_at":"2026-11-02T14:35:07.01498Z"}],"euvd":[{"id":"EUVD-2018-5477","description":"The mintToken function of a smart contract implementation for Bcxss, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.","status":"published","published":"2018-07-09T06:00:00Z","modified":"2024-08-05T09:07:52Z","updated_at":"2026-11-03T02:39:49.648687Z"}],"ghsa":[{"id":"GHSA-c36j-xv9p-fqv4","title":"The mintToken function of a smart contract implementation for Bcxss, an Ethereum token, has an...","description":"The mintToken function of a smart contract implementation for Bcxss, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.","status":"published","published":"2022-05-14T03:03:42Z","modified":"2023-02-02T05:07:10Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:52:26.890219Z"}],"nvd":[{"id":"CVE-2018-13539","description":"The mintToken function of a smart contract implementation for Bcxss, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.","status":"published","published":"2018-07-09T06:29:04.227Z","modified":"2026-06-17T01:39:37.14Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:04:31.362791Z"}]}}