CVE-2018-13661: The mintToken function of a smart contract implementation for APP, an Ethereum token, has an integer overflow

This week

HIGH 7.5REMOTEMITIGATE

CVE-2018-13661 is a high-severity flaw (CVSS 7.5) affecting app. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The mintToken function of a smart contract implementation for APP, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

Why this priority

High severity
Public exploit reference
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	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-190
Published	2018-07-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: app project

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

Am I affected?

Timeline

2018-07-09 06:29 UTCPublished CVE record published
2026-06-17 01:39 UTCUpdated Record last modified

app project app 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 app || rpm -q app || app --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-2018-13661?

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

Is CVE-2018-13661 being exploited?

CVE-2018-13661 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-2018-13661 affect?

CVE-2018-13661 affects app. Severity is high (CVSS 7.5). The mintToken function of a smart contract implementation for APP, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

How urgent is CVE-2018-13661?

Priority 53/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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