{"id":"CVE-2020-17752","aliases":["EUVD-2020-9682","GHSA-chj7-x4mx-v4qg"],"status":"published","title":"Integer overflow vulnerability in payable function of a smart contract implementation for an...","description":"Integer overflow vulnerability in payable function of a smart contract implementation for an Ethereum token, as demonstrated by the smart contract implemented at address 0xB49E984A83d7A638E7F2889fc8328952BA951AbE, an implementation for MillionCoin (MON).","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01579,"percentile":0.75709,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2021-06-24T19:16:56Z","modified":"2026-06-17T02:59:07Z","products":[{"vendor":"mon_project","product":"mon"}],"references":[{"url":"https://github.com/hellowuzekai/blockchains/blob/master/balance.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://etherscan.io/address/0xB49E984A83d7A638E7F2889fc8328952BA951AbE","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17752"},{"url":"https://github.com/advisories/GHSA-chj7-x4mx-v4qg"}],"sources":{"cve":[{"id":"CVE-2020-17752","description":"Integer overflow vulnerability in payable function of a smart contract implementation for an Ethereum token, as demonstrated by the smart contract implemented at address 0xB49E984A83d7A638E7F2889fc8328952BA951AbE, an implementation for MillionCoin (MON).","status":"published","published":"2021-06-24T19:16:56Z","modified":"2024-08-04T14:00:48.791Z","updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-9682","description":"Integer overflow vulnerability in payable function of a smart contract implementation for an Ethereum token, as demonstrated by the smart contract implemented at address 0xB49E984A83d7A638E7F2889fc8328952BA951AbE, an implementation for MillionCoin (MON).","status":"published","published":"2021-06-24T19:16:56Z","modified":"2024-08-04T14:00:48Z","updated_at":"2026-11-03T03:07:26.951665Z"}],"ghsa":[{"id":"GHSA-chj7-x4mx-v4qg","title":"Integer overflow vulnerability in payable function of a smart contract implementation for an...","description":"Integer overflow vulnerability in payable function of a smart contract implementation for an Ethereum token, as demonstrated by the smart contract implemented at address 0xB49E984A83d7A638E7F2889fc8328952BA951AbE, an implementation for MillionCoin (MON).","status":"published","published":"2022-05-24T19:06:13Z","modified":"2023-01-30T05:00:30Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:46:13.0899Z"}],"nvd":[{"id":"CVE-2020-17752","description":"Integer overflow vulnerability in payable function of a smart contract implementation for an Ethereum token, as demonstrated by the smart contract implemented at address 0xB49E984A83d7A638E7F2889fc8328952BA951AbE, an implementation for MillionCoin (MON).","status":"published","published":"2021-06-24T20:15:08.66Z","modified":"2026-06-17T02:59:07.06Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}