CVE-2018-10299
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…
Does this matter?
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.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 2.61% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- beauty/beauty ecosystem coin
- Source
- cve@mitre.org
EPSS 2.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://dasp.co/#item-3Exploit, Third Party Advisory
- https://medium.com/secbit-media/a-disastrous-vulnerability-found-in-smart-contracts-of-beautychain-bec-dbf24ddbc30eExploit, Third Party Advisory
- https://peckshield.com/2018/04/22/batchOverflow/Exploit, Third Party Advisory
- https://support.okex.com/hc/en-us/articles/360002944212-BeautyChain-BEC-Withdrawal-and-Trading-SuspendedThird Party Advisory
- https://twitter.com/OKEx_/status/987967343983714304Third Party Advisory
- https://www.reddit.com/r/ethereum/comments/8esyg9/okex_erc20_bug/Issue Tracking, Third Party Advisory
- https://dasp.co/#item-3Exploit, Third Party Advisory
- https://medium.com/secbit-media/a-disastrous-vulnerability-found-in-smart-contracts-of-beautychain-bec-dbf24ddbc30eExploit, Third Party Advisory
- https://peckshield.com/2018/04/22/batchOverflow/Exploit, Third Party Advisory
- https://support.okex.com/hc/en-us/articles/360002944212-BeautyChain-BEC-Withdrawal-and-Trading-SuspendedThird Party Advisory
- https://twitter.com/OKEx_/status/987967343983714304Third Party Advisory
- https://www.reddit.com/r/ethereum/comments/8esyg9/okex_erc20_bug/Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.