Integer overflow in Blocklancertoken Project
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.
Vulnerability class: Integer Overflow
EPSS: 0.012 (64.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Blocklancertoken_project Blocklancertoken
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-33403?
- CVE-2021-33403 is a high-severity vulnerability in Blocklancertoken Project, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2021-08-03.
- How severe is CVE-2021-33403?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-33403 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.