cve/2021/CVE-2021-33403.md

### [CVE-2021-33403](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33403)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

An integer overflow in the transfer function of a smart contract implementation for Lancer Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses between two large accounts during a transaction.

### POC

#### Reference
- https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#code

#### Github
- https://github.com/MRdoulestar/MRdoulestar
- https://github.com/MRdoulestar/SC-RCVD