CVE-2018-13488: The mintToken function of a smart contract implementation for Crypto Alley Shares (CAST), an Ethereum token, h

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HIGH 7.5REMOTEMITIGATE

CVE-2018-13488 is a high-severity flaw (CVSS 7.5) affecting crypto alley shares. 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 Crypto Alley Shares (CAST), 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
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	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-190
Published	2018-07-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: crypto alley shares 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

crypto alley shares project crypto alley shares 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 crypto-alley-shares || rpm -q crypto-alley-shares || crypto-alley-shares --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-2018-13488?

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

Is CVE-2018-13488 being exploited?

CVE-2018-13488 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-2018-13488 affect?

CVE-2018-13488 affects crypto alley shares. Severity is high (CVSS 7.5). The mintToken function of a smart contract implementation for Crypto Alley Shares (CAST), 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-2018-13488?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

References

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