CVE-2018-13740
The mintToken function of a smart contract implementation for OneChain, an Ethereum token, has an...
The mintToken function of a smart contract implementation for OneChain, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The mintToken function of a smart contract implementation for OneChain, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
- Record
CVE-2018-13740- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE List No score
The mintToken function of a smart contract implementation for OneChain, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
- Record
CVE-2018-13740- Updated
- 2026-11-02
EUVDEUVD-2018-5678 No score
The mintToken function of a smart contract implementation for OneChain, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
- Record
EUVD-2018-5678- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gg56-7j5w-pf2v
The mintToken function of a smart contract implementation for OneChain, an Ethereum token, has an...
The mintToken function of a smart contract implementation for OneChain, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
- Record
GHSA-gg56-7j5w-pf2v- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-190
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-13740 is a high vulnerability (CVSS 7.5) in Onechain Project Onechain, published July 9, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.09%, the 65th percentile. No source names a fixed version.