CVE-2025-56207
Medium
Description
A security flaw in the '_transfer' function of a smart contract implementation for Money Making Opportunity (MMO), an Ethereum ERC721 Non-Fungible Token (NFT) project, allows users or attackers to transfer NFTs to the zero address, leading to permanent asset loss and non-compliance with the ERC721 standard. The eth address is 0x41d3d86a84c8507a7bc14f2491ec4d188fa944e7, contract name is MoneyMakingOpportunity, and compiler version is v0.8.17+commit.8df45f5f.
SeverityMedium
CVSS6.5
Exploit probability—
ProductMoney Making Opportunity (MMO)
PublishedSep 30, 2025
First seenSep 30, 2025
Weakness typeCWE-1259CWE-1259
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Money Making Opportunity (MMO) | No range specified | — |
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