CVE-2022-35916 MEDIUM

CVE-2022-35916: Cross chain utilities for Arbitrum L2 see EOA calls as cross chain calls

Vendor Openzeppelin
Product openzeppelin-contracts
Weakness CWE-669
Published August 1, 2022
Last update April 23, 2025

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

OpenZeppelin Contracts is a library for secure smart contract development. Contracts using the cross chain utilities for Arbitrum L2, `CrossChainEnabledArbitrumL2` or `LibArbitrumL2`, will classify direct interactions of externally owned accounts (EOAs) as cross chain calls, even though they are not started on L1. This issue has been patched in v4.7.2. Users are advised to upgrade. There are no known workarounds for this issue.

Key dates

02Disclosure timeline

August 1, 2022 CVE published
April 23, 2025 Record updated