CVE-2018-17111
The onlyOwner modifier of a smart contract implementation for Coinlancer (CL), an Ethereum ERC20...
The onlyOwner modifier of a smart contract implementation for Coinlancer (CL), an Ethereum ERC20 token, has a potential access control vulnerability. All contract users can access functions that use this onlyOwner modifier, because the comparison between msg.sender and owner is incorrect.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
The onlyOwner modifier of a smart contract implementation for Coinlancer (CL), an Ethereum ERC20 token, has a potential access control vulnerability. All contract users can access functions that use this onlyOwner modifier, because the comparison between msg.sender and owner is incorrect.
- Record
CVE-2018-17111- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
The onlyOwner modifier of a smart contract implementation for Coinlancer (CL), an Ethereum ERC20 token, has a potential access control vulnerability. All contract users can access functions that use this onlyOwner modifier, because the comparison between msg.sender and owner is incorrect.
- Record
CVE-2018-17111- Updated
- 2026-11-02
EUVDEUVD-2018-8889 No score
The onlyOwner modifier of a smart contract implementation for Coinlancer (CL), an Ethereum ERC20 token, has a potential access control vulnerability. All contract users can access functions that use this onlyOwner modifier, because the comparison between msg.sender and owner is incorrect.
- Record
EUVD-2018-8889- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4j2p-4cxc-frwm
9.8
The onlyOwner modifier of a smart contract implementation for Coinlancer (CL), an Ethereum ERC20...
The onlyOwner modifier of a smart contract implementation for Coinlancer (CL), an Ethereum ERC20 token, has a potential access control vulnerability. All contract users can access functions that use this onlyOwner modifier, because the comparison between msg.sender and owner is incorrect.
- Record
GHSA-4j2p-4cxc-frwm- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - 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-2018-17111 is a critical vulnerability (CVSS 9.8) in Coinlancer, published September 18, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. No source names a fixed version.