{"id":"CVE-2018-12511","aliases":["EUVD-2018-4481","GHSA-rw23-7674-g3f6"],"status":"published","title":"In the mintToken function of a smart contract implementation for Substratum (SUB), an Ethereum...","description":"In the mintToken function of a smart contract implementation for Substratum (SUB), an Ethereum ERC20 token, the administrator can control mintedAmount, leverage an integer overflow, and modify a user account's balance arbitrarily.","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":"2026-11-09","score":0.00926,"percentile":0.6073,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2018-09-21T17:00:00Z","modified":"2026-06-17T01:37:53Z","products":[{"vendor":"substratum","product":"substratum"}],"references":[{"url":"https://github.com/n0pn0pn0p/smart_contract_-vulnerability/blob/master/PolyAi.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12511"},{"url":"https://github.com/advisories/GHSA-rw23-7674-g3f6"}],"sources":{"cve":[{"id":"CVE-2018-12511","description":"In the mintToken function of a smart contract implementation for Substratum (SUB), an Ethereum ERC20 token, the administrator can control mintedAmount, leverage an integer overflow, and modify a user account's balance arbitrarily.","status":"published","published":"2018-09-21T17:00:00Z","modified":"2024-08-05T08:38:06.178Z","updated_at":"2026-11-02T14:35:06.320867Z"}],"euvd":[{"id":"EUVD-2018-4481","description":"In the mintToken function of a smart contract implementation for Substratum (SUB), an Ethereum ERC20 token, the administrator can control mintedAmount, leverage an integer overflow, and modify a user account's balance arbitrarily.","status":"published","published":"2018-09-21T17:00:00Z","modified":"2024-08-05T08:38:06Z","updated_at":"2026-11-03T02:39:52.61924Z"}],"ghsa":[{"id":"GHSA-rw23-7674-g3f6","title":"In the mintToken function of a smart contract implementation for Substratum (SUB), an Ethereum...","description":"In the mintToken function of a smart contract implementation for Substratum (SUB), an Ethereum ERC20 token, the administrator can control mintedAmount, leverage an integer overflow, and modify a user account's balance arbitrarily.","status":"published","published":"2022-05-14T02:00:08Z","modified":"2023-02-02T05:05:10Z","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":"2026-11-02T14:52:02.518349Z"}],"nvd":[{"id":"CVE-2018-12511","description":"In the mintToken function of a smart contract implementation for Substratum (SUB), an Ethereum ERC20 token, the administrator can control mintedAmount, leverage an integer overflow, and modify a user account's balance arbitrarily.","status":"published","published":"2018-09-21T17:29:03.217Z","modified":"2026-06-17T01:37:53.66Z","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":"2026-11-02T14:04:40.661264Z"}]}}