CVE-2018-14086

Name: CVE-2018-14086
Creator: NVD / NIST
Published: 2018-07-16T02:29:00.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2018-14086 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in a smart contract implementation for SingaporeCoinOrigin (SCO), an Ethereum token. The contract has an integer overflow. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

An issue was discovered in a smart contract implementation for SingaporeCoinOrigin (SCO), an Ethereum token. The contract has an integer overflow. If the owner sets the value of sellPrice to a large number in setPrices() then the "amount * sellPrice" will cause an integer overflow in sell().

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.25%

65.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Mytoken Project	Mytoken	All versions

References

https://github.com/hellowuzekai/blockchains/blob/master/overflow1.mdExploit, Third Party Advisory
https://github.com/hellowuzekai/blockchains/blob/master/overflow1.mdExploit, Third Party Advisory

Timeline

Published: Jul 16, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14086?

How severe is CVE-2018-14086?

CVE-2018-14086 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14086?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-14086?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST