{"id":"CVE-2018-10299","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-10299","generatedAt":"2026-10-29T01:42:50.782Z","title":"An integer overflow in the batchTransfer function of a smart contract implementation for Beauty Ecosystem Coin (BEC), the Ethereum ERC20 token used in the Beauty Chain economic system, allows attackers to accomplish an unauthorized increase of digital…","description":"An integer overflow in the batchTransfer function of a smart contract implementation for Beauty Ecosystem Coin (BEC), the Ethereum ERC20 token used in the Beauty Chain economic system, allows attackers to accomplish an unauthorized increase of digital assets by providing two _receivers arguments in conjunction with a large _value argument, as exploited in the wild in April 2018, aka the \"batchOverflow\" issue.","published":"2018-04-23T04:29:00.000Z","lastModified":"2026-06-17T01:33:49.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-190"],"affected":["beauty/beauty ecosystem coin"],"epss":{"score":0.02615,"percentile":0.85354,"date":"2026-10-27","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 (2.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://dasp.co/#item-3","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://medium.com/secbit-media/a-disastrous-vulnerability-found-in-smart-contracts-of-beautychain-bec-dbf24ddbc30e","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://peckshield.com/2018/04/22/batchOverflow/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://support.okex.com/hc/en-us/articles/360002944212-BeautyChain-BEC-Withdrawal-and-Trading-Suspended","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://twitter.com/OKEx_/status/987967343983714304","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.reddit.com/r/ethereum/comments/8esyg9/okex_erc20_bug/","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://dasp.co/#item-3","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://medium.com/secbit-media/a-disastrous-vulnerability-found-in-smart-contracts-of-beautychain-bec-dbf24ddbc30e","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://peckshield.com/2018/04/22/batchOverflow/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.okex.com/hc/en-us/articles/360002944212-BeautyChain-BEC-Withdrawal-and-Trading-Suspended","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://twitter.com/OKEx_/status/987967343983714304","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.reddit.com/r/ethereum/comments/8esyg9/okex_erc20_bug/","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-10299","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."}