How severe is CVE-2018-13231?

CVE-2018-13231 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-13231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13231?

CVE-2018-13231 affects Entertoken Project Entertoken. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13231?

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

When was CVE-2018-13231 published?

CVE-2018-13231 was published on 2018-07-05 and last updated on 2026-06-17.

CVE-2018-13231

CVE-2018-13231 is a high-severity vulnerability in Entertoken Project Entertoken with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Entertoken Project Entertoken
Published: 2018-07-05
Last modified: 2026-06-17

Description

The sell function of a smart contract implementation for ENTER (ENTR) (Contract Name: EnterToken), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.

Frequently asked questions

What is CVE-2018-13231?: The sell function of a smart contract implementation for ENTER (ENTR) (Contract Name: EnterToken), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.
How severe is CVE-2018-13231?: CVE-2018-13231 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-13231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13231?: CVE-2018-13231 affects Entertoken Project Entertoken. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13231?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-13231 published?: CVE-2018-13231 was published on 2018-07-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:entertoken_project:entertoken:-:*:*:*:*:*:*:*

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