CVE-2025-56207
MEDIUMDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Exploit Intelligence
Low risk: more likely to be exploited than 23% of all known CVEs.
References
Related Vulnerabilities
Other CWE-1259 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-36111 | Medium | 6.3 | 8.4% | - | - |
| CVE-2022-23541 | Medium | 5.0 | 0.8% | - | Fix |
| CVE-2022-23551 | Medium | 5.3 | 0.7% | - | Fix |
| CVE-2024-36533 | Critical | 9.8 | 0.5% | - | - |
| CVE-2026-25700 | High | 7.2 | 0.4% | - | Fix |
| CVE-2025-50579 | Medium | 5.3 | 0.4% | - | - |
Common questions
How do I fix CVE-2025-56207?
No published fix for CVE-2025-56207 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2025-56207 being actively exploited?
Not that we know of. CVE-2025-56207 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.31% is the estimated probability that it will be exploited in the next 30 days. That is higher than 23% of all scored CVEs.
How severe is CVE-2025-56207?
CVE-2025-56207 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-02.