CVE-2021-33403

high

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.

References

https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.md

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

Details

Source: Mitre, NVD

Published: 2021-08-03

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.00213