Access Control Bypass Affecting vyper package, versions [,0.3.8)


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.07% (31st percentile)

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  • Snyk ID SNYK-PYTHON-VYPER-5591073
  • published 21 May 2023
  • disclosed 21 May 2023
  • credit trocher

How to fix?

Upgrade vyper to version 0.3.8 or higher.

Overview

vyper is a Pythonic Smart Contract Language for the EVM.

Affected versions of this package are vulnerable to Access Control Bypass. In contracts with more than one regular nonpayable function, it is possible to send funds to the default function, even if the default function is marked nonpayable.

References

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
3.7 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    None
Expand this section

NVD

5.3 medium