High severity7.5NVD Advisory· Published Aug 3, 2021· Updated Jun 17, 2026
CVE-2021-34273
CVE-2021-34273
Description
A security flaw in the 'owned' function of a smart contract implementation for BTC2X (B2X), a tradeable Ethereum ERC20 token, allows attackers to hijack victim accounts and arbitrarily increase the digital supply of assets.
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Affected products
2- BTC2X/BTC2Xdescription
Patches
Vulnerability mechanics
References
1- github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/BTC2X.mdnvdExploitThird Party Advisory
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