Vulnerability in Openzeppelin Contracts
CVE-2023-49798
OpenZeppelin Contracts is a library for smart contract development. A merge issue when porting the 5.0.1 patch to the 4.9 branch caused a line duplication. In the version of `Multicall.sol` released in `@openzeppelin/contracts@4.9.4` and `…
EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Openzeppelin Contracts — versions 4.9.4
- Openzeppelin Contracts_upgradeable — versions 4.9.4
- Openzeppelin Openzeppelin-contracts — versions = 4.9.4
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)
Frequently asked questions
- What is CVE-2023-49798?
- CVE-2023-49798 is a medium-severity vulnerability in Openzeppelin Contracts, classified under Always-Incorrect Control Flow Implementation. CVSS score: 5.9/10. Published 2023-12-09.
- How severe is CVE-2023-49798?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2023-49798 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.