CVE-2021-33403

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.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

1.20% chance of exploitation in the next 30 days, 66th percentile

Published

2021-08-03

Updated

2024-08-03

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2021-33396
• CVE-2021-33437
• CVE-2021-33394
• CVE-2021-33438
• CVE-2021-33393
• CVE-2021-33439