Auth bypass in Openzeppelin Contracts
CVE-2023-34234
OpenZeppelin Contracts is a library for smart contract development. By frontrunning the creation of a proposal, an attacker can become the proposer and gain the ability to cancel it. The attacker can do this repeatedly to try to prevent a…
Vulnerability class: Broken Access Control
EPSS: 0.006 (44.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Openzeppelin Contracts
- Openzeppelin Contracts_upgradeable
- Openzeppelin Openzeppelin-contracts — versions >=4.3.0, < 4.9.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-34234?
- CVE-2023-34234 is a medium-severity vulnerability in Openzeppelin Contracts, classified under Missing Authorization. CVSS score: 5.3/10. Published 2023-06-07.
- How severe is CVE-2023-34234?
- Medium severity. CVSS v3 base score is 5.3 out of 10.