{"id":"CVE-2020-17752","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-17752","generatedAt":"2026-10-27T23:26:36.750Z","title":"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).","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).","published":"2021-06-24T20:15:09.000Z","lastModified":"2026-06-17T02:59:07.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-190"],"affected":["mon project/mon"],"epss":{"score":0.01579,"percentile":0.75326,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://etherscan.io/address/0xB49E984A83d7A638E7F2889fc8328952BA951AbE","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/hellowuzekai/blockchains/blob/master/balance.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://etherscan.io/address/0xB49E984A83d7A638E7F2889fc8328952BA951AbE","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/hellowuzekai/blockchains/blob/master/balance.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-17752","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}