How severe is CVE-2018-14086?

CVE-2018-14086 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-14086 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14086?

CVE-2018-14086 affects Mytoken Project Mytoken. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14086?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-14086 published?

CVE-2018-14086 was published on 2018-07-16 and last updated on 2026-06-17.

CVE-2018-14086

CVE-2018-14086 is a critical-severity vulnerability in Mytoken Project Mytoken with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Mytoken Project Mytoken
Published: 2018-07-16
Last modified: 2026-06-17

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().

Frequently asked questions

What is CVE-2018-14086?: 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().
How severe is CVE-2018-14086?: CVE-2018-14086 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-14086 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14086?: CVE-2018-14086 affects Mytoken Project Mytoken. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14086?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-14086 published?: CVE-2018-14086 was published on 2018-07-16 and last updated on 2026-06-17.

References

https://github.com/hellowuzekai/blockchains/blob/master/overflow1.md

Affected products (1)

cpe:2.3:a:mytoken_project:mytoken:-:*:*:*:*:*:*:*

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