VulnerabilityModified
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.
HIGH 7.5EPSS 1.20%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.20% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- blocklancertoken project/blocklancertoken
- Source
- cve@mitre.org
References
- https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#codeExploit, Third Party Advisory
- https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.mdExploit, Third Party Advisory
- https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#codeExploit, Third Party Advisory
- https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.