Vulnerability in Openzeppelin Contracts
CVE-2023-34459
OpenZeppelin Contracts is a library for smart contract development. Starting in version 4.7.0 and prior to version 4.9.2, when the `verifyMultiProof`, `verifyMultiProofCalldata`, `procesprocessMultiProof`, or `processMultiProofCalldat` fun…
EPSS: 0.004 (28.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Openzeppelin Contracts
- Openzeppelin Contracts_upgradeable
- Openzeppelin Openzeppelin-contracts — versions >= 4.7.0, < 4.9.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2023-34459?
- CVE-2023-34459 is a medium-severity vulnerability in Openzeppelin Contracts, classified under Improper Validation of Integrity Check Value. CVSS score: 5.3/10. Published 2023-06-16.
- How severe is CVE-2023-34459?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-34459 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.