{"id":"CVE-2018-13768","aliases":["EUVD-2018-5706","GHSA-9grf-2rh2-xcxw"],"status":"published","title":"The mintToken function of a smart contract implementation for ZToken, an Ethereum token, has an...","description":"The mintToken function of a smart contract implementation for ZToken, 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":0.01398,"percentile":0.72635,"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":"2026-06-17T01:40:07Z","products":[{"vendor":"ztoken_project","product":"ztoken"}],"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/ZToken","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-13768"},{"url":"https://github.com/advisories/GHSA-9grf-2rh2-xcxw"}],"sources":{"cve":[{"id":"CVE-2018-13768","description":"The mintToken function of a smart contract implementation for ZToken, 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":"2024-08-05T09:14:47.193Z","updated_at":"2026-11-02T14:35:07.01498Z"}],"euvd":[{"id":"EUVD-2018-5706","description":"The mintToken function of a smart contract implementation for ZToken, 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":"2024-08-05T09:14:47Z","updated_at":"2026-11-03T02:39:48.763022Z"}],"ghsa":[{"id":"GHSA-9grf-2rh2-xcxw","title":"The mintToken function of a smart contract implementation for ZToken, an Ethereum token, has an...","description":"The mintToken function of a smart contract implementation for ZToken, 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":"2022-05-14T03:13:49Z","modified":"2023-02-02T05:07:26Z","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":"2026-11-02T14:52:30.631112Z"}],"nvd":[{"id":"CVE-2018-13768","description":"The mintToken function of a smart contract implementation for ZToken, 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":"2018-07-09T06:29:15.4Z","modified":"2026-06-17T01:40:07.407Z","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"}]}}