{"id":"CVE-2021-34270","aliases":["EUVD-2021-20931","GHSA-vj7x-8cxf-q82g"],"status":"published","title":"An integer overflow in the mintToken function of a smart contract implementation for Doftcoin...","description":"An integer overflow in the mintToken function of a smart contract implementation for Doftcoin Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01072,"percentile":0.65187,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2021-08-03T21:24:55Z","modified":"2026-06-17T03:55:35Z","products":[{"vendor":"doft","product":"doftcoin"}],"references":[{"url":"https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/Doftcoin.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34270"},{"url":"https://github.com/advisories/GHSA-vj7x-8cxf-q82g"}],"sources":{"cve":[{"id":"CVE-2021-34270","description":"An integer overflow in the mintToken function of a smart contract implementation for Doftcoin Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses.","status":"published","published":"2021-08-03T21:24:55Z","modified":"2024-08-04T00:05:52.527Z","updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-20931","description":"An integer overflow in the mintToken function of a smart contract implementation for Doftcoin Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses.","status":"published","published":"2021-08-03T21:24:55Z","modified":"2024-08-04T00:05:52Z","updated_at":"2026-11-03T03:24:32.880562Z"}],"ghsa":[{"id":"GHSA-vj7x-8cxf-q82g","title":"An integer overflow in the mintToken function of a smart contract implementation for Doftcoin...","description":"An integer overflow in the mintToken function of a smart contract implementation for Doftcoin Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses.","status":"published","published":"2022-05-24T19:10:02Z","modified":"2023-01-30T05:01:13Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:46:22.009402Z"}],"nvd":[{"id":"CVE-2021-34270","description":"An integer overflow in the mintToken function of a smart contract implementation for Doftcoin Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses.","status":"published","published":"2021-08-03T22:15:09.203Z","modified":"2026-06-17T03:55:35.67Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/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":"2026-11-02T14:06:56.562207Z"}]}}