{"id":"CVE-2025-56207","aliases":["EUVD-2025-31757","GHSA-5xqv-9pr8-p6mp"],"status":"published","title":"A security flaw in the '_transfer' function of a smart contract implementation for Money Making...","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00328,"percentile":0.26046,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1259"],"published":"2025-09-30T00:00:00Z","modified":"2026-06-17T09:42:25Z","references":[{"url":"https://github.com/Monekon/CVE/blob/main/Vulnerabilities/MMO_Transfer_to_ZeroAddress.md"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-56207"},{"url":"https://github.com/advisories/GHSA-5xqv-9pr8-p6mp"}],"sources":{"cve":[{"id":"CVE-2025-56207","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.","status":"published","published":"2025-09-30T00:00:00Z","modified":"2025-10-01T20:02:53.638Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-1259"],"updated_at":"2026-11-02T14:32:26.320248Z"}],"euvd":[{"id":"EUVD-2025-31757","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.","status":"published","published":"2025-09-30T00:00:00Z","modified":"2025-10-01T20:02:53Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T20:31:37.123578Z"}],"ghsa":[{"id":"GHSA-5xqv-9pr8-p6mp","title":"A security flaw in the '_transfer' function of a smart contract implementation for Money Making...","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.","status":"published","published":"2025-09-30T18:30:25Z","modified":"2025-10-01T21:31:20Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-1259"],"updated_at":"2026-11-02T15:03:49.634332Z"}],"nvd":[{"id":"CVE-2025-56207","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.","status":"published","published":"2025-09-30T17:15:41.163Z","modified":"2026-06-17T09:42:25.58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-1259"],"updated_at":"2026-11-02T14:11:34.090044Z"}]}}