Vulnerability in Openzeppelin Openzeppelin-contracts
CVE-2023-40014
OpenZeppelin Contracts is a library for secure smart contract development. Starting in version 4.0.0 and prior to version 4.9.3, contracts using `ERC2771Context` along with a custom trusted forwarder may see `_msgSender` return `address(0)…
EPSS: 0.006 (44.8th 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:L/A:N.
Affected products
- Openzeppelin Openzeppelin-contracts — versions >= 4.0.0, < 4.9.3
- Openzeppelin Openzeppelin_contracts
- Openzeppelin Openzeppelin_contracts-upgradable
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, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2023-40014?
- CVE-2023-40014 is a medium-severity vulnerability in Openzeppelin Openzeppelin-contracts, classified under Improper Encoding or Escaping of Output. CVSS score: 5.3/10. Published 2023-08-10.
- How severe is CVE-2023-40014?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-40014 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.