An integer overflow in the transfer function of a smart contract implementation for…
Priority LOW 35CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01196 68th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blocklancertoken_project:blocklancertoken:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Blocklancertoken Project |
- cpe:2.3:a:blocklancertoken_project:blocklancertoken:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Blocklancertoken Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33403
- 2026-10-03 Alias added: GHSA-c774-q263-4qv6
References
Sources
- CVE-2021-33403 · CVE Program
- CVE-2021-33403 · NVD
- FIRST EPSS
- GHSA-c774-q263-4qv6 · GitHub Advisory Database · CC BY 4.0
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