SecuriTricks - 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.

Product(s) Impacted

Vendor	Product	Versions
Money Making Opportunity	Money Making Opportunity	v0.8.17

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1259

Improper Restriction of Security Token Assignment

The System-On-A-Chip (SoC) implements a Security Token mechanism to differentiate what actions are allowed or disallowed when a transaction originates from an entity. However, the Security Tokens are improperly protected.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	money_making_opportunity	money_making_opportunity	v0.8.17	/	/	/	/	/	/	/

References

https://github.com/Monekon/CVE/blob/main/Vulnerabilities/MMO_Transfer_to_ZeroAddress.md

CVSS Score

6.5 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: LOW
Integrity Impact: NONE
Availability Impact: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

View Vector String

Timeline

Published: Sept. 30, 2025, 5:15 p.m.
Last Modified: Oct. 1, 2025, 8:18 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

CVE-2025-56207