CVE-2018-13155
The mintToken function of a smart contract implementation for GEMCHAIN (GEM), an Ethereum token,...
The mintToken function of a smart contract implementation for GEMCHAIN (GEM), 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 GEMCHAIN (GEM), 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-2018-13155- 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 GEMCHAIN (GEM), 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-2018-13155- Updated
- 2026-11-02
EUVDEUVD-2018-5104 No score
The mintToken function of a smart contract implementation for GEMCHAIN (GEM), 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-2018-5104- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wwhv-5555-4wc2
The mintToken function of a smart contract implementation for GEMCHAIN (GEM), an Ethereum token,...
The mintToken function of a smart contract implementation for GEMCHAIN (GEM), 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-wwhv-5555-4wc2- 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-2018-13155 is a high vulnerability (CVSS 7.5) in Gemchain Project Gemchain, published July 5, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. No source names a fixed version.