CVE-2018-14089

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in a smart contract implementation for Virgo_ZodiacToken, an Ethereum token. In this contract, 'bool sufficientAllowance = allowance <= _value' will cause an arbitrary transfer in the function transferFrom because '<=' is used instead of '>=' (which was intended). An attacker can transfer from any address to his address, and does not need to meet the 'allowance > value' condition.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

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

Timeline

Published: Jul 16, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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