CVE-2018-12063: The sell function of a smart contract implementation for Internet Node Token (INT), a tradable Ethereum ERC20

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HIGH 7.5REMOTEMITIGATE

CVE-2018-12063 is a high-severity flaw (CVSS 7.5) affecting node token. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The sell function of a smart contract implementation for Internet Node Token (INT), a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplication of its argument amount and a manipulable variable sellPrice, aka the "tradeTrap" issue.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-190
Published	2018-06-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: intchain

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

Am I affected?

Timeline

2018-06-25 11:29 UTCPublished CVE record published
2026-06-17 01:37 UTCUpdated Record last modified

intchain node token 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 node-token || rpm -q node-token || node-token --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-2018-12063?

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

Is CVE-2018-12063 being exploited?

CVE-2018-12063 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-2018-12063 affect?

CVE-2018-12063 affects node token. Severity is high (CVSS 7.5). The sell function of a smart contract implementation for Internet Node Token (INT), a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplicati

How urgent is CVE-2018-12063?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-12080 HIGH 7.5 MITIGATE The mintToken function of a smart contract implementation for Internet Node Token (INT), a tradable Ethereum E

References

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