{"id":"CVE-2025-56207","state":"PUBLISHED","title":"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","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.","publishedAt":"2025-09-30T00:00:00.000Z","updatedAt":"2025-10-01T20:02:53.638Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/Monekon/CVE/blob/main/Vulnerabilities/MMO_Transfer_to_ZeroAddress.md"],"weaknesses":["CWE-1259"],"ingestedAt":"2026-10-29T20:09:39.787Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/56xxx/CVE-2025-56207.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-56207","state":"PUBLISHED","datePublished":"2025-09-30T00:00:00.000Z","dateUpdated":"2025-10-01T20:02:53.638Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2025-08-16T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/Monekon/CVE/blob/main/Vulnerabilities/MMO_Transfer_to_ZeroAddress.md"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2025-09-30T16:41:21.327Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-01T20:01:18.018712Z","id":"CVE-2025-56207","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1259","type":"CWE","lang":"en","description":"CWE-1259 Improper Restriction of Security Token Assignment"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T20:02:53.638Z"}}]}}}