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    CVE-2021-41122

    Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions external functions did not properly validate the bounds of decimal arguments. The can lead to logic errors. This issue has been resolved in version 0.3.0.

    Published:Oct 5, 2021
    Last Modified:Nov 21, 2024
    EPS:Oct 5, 2021
    EPSS Score:0.00203
    CVSS Score:4.3

    Affected Products

    Vendor
    Vyperlang
    Product
    Vyper

    Exploits

    https://github.com/vyperlang/vyper/security/advisories/GHSA-c7pr-343r-5c46https://github.com/vyperlang/vyper/security/advisories/GHSA-c7pr-343r-5c46

    Common Weakness Enumeration

    CWE-682 Incorrect Calculation

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-128 Integer Attacks
    CAPEC-129 Pointer Manipulation

    Related CVEs

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    CVE-2025-27104 (CVSS 2.3) — vyper is a Pythonic Smart Contract Language for the EVM. Multiple evaluation of a single expression is possibl…
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    CVE-2025-21607 (CVSS 2.3) — Vyper is a Pythonic Smart Contract Language for the EVM. When the Vyper Compiler uses the precompiles EcRecove…
    CVE-2024-32649 (CVSS 5.3) — Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, us…
    CVE-2024-32648 (CVSS 5.3) — Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. Prior to version 0.3.0, default …
    CVE-2024-32647 (CVSS 5.3) — Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, us…
    CVE-2024-32646 (CVSS 5.3) — Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, us…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High