CVE-2018-17111: The onlyOwner modifier of a smart contract implementation for Coinlancer (CL), an Ethereum ERC20 token, has a

This month

CRITICAL 9.8REMOTEMITIGATE

CVE-2018-17111 is a critical-severity flaw (CVSS 9.8) affecting coinlancer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2018-09-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: coinlancer

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-09-18 21:29 UTCPublished CVE record published
2026-06-17 01:45 UTCUpdated Record last modified

coinlancer coinlancer MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy coinlancer || rpm -q coinlancer || coinlancer --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-17111?

coinlancer: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-17111 being exploited?

CVE-2018-17111 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-17111 affect?

CVE-2018-17111 affects coinlancer. Severity is critical (CVSS 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 comp

How urgent is CVE-2018-17111?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

References

← Back to latest CVEs