CVE-2021-41264
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using UUPSUpgradeable may be vulnerable to an attack affecting uninitialized implementation contracts. A fix is included in version 4.3.2 of @openzeppelin/contracts and @openzeppelin/contracts-upgradeable. For users unable to upgrade; initialize implementation contracts using UUPSUpgradeable by invoking the initializer function (usually called initialize). An example is provided in the forum.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OpenZeppelin | openzeppelin-contracts | >= 4.1.0 < 4.3.2 | affected |
Weaknesses
- CWE-665: CWE-665: Improper Initialization
ADP Enrichment
CVE Program Container
Additional References
- https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-5vp3-v4hc-gx76
- https://github.com/OpenZeppelin/openzeppelin-contracts/commit/024cc50df478d2e8f78539819749e94d6df60592
- https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301
References
- https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-5vp3-v4hc-gx76
- https://github.com/OpenZeppelin/openzeppelin-contracts/commit/024cc50df478d2e8f78539819749e94d6df60592
- https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.