CVE-2021-41264
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-41264
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41264.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-41264
- Aliases
- Related
- Published
- 2021-11-12T18:15:07Z
- Modified
- 2025-10-21T05:07:49.875222Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using
UUPSUpgradeablemay be vulnerable to an attack affecting uninitialized implementation contracts. A fix is included in version 4.3.2 of@openzeppelin/contractsand@openzeppelin/contracts-upgradeable. For users unable to upgrade; initialize implementation contracts usingUUPSUpgradeableby invoking the initializer function (usually calledinitialize). An example is provided in the forum. - References
Affected packages
Git / github.com/openzeppelin/openzeppelin-contracts
Affected ranges
- Type
- GIT
- Repo
- https://github.com/openzeppelin/openzeppelin-contracts
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
v1.*
v1.0.0
v1.0.1
v1.0.2
v1.0.3
v1.0.4
v1.0.5
v1.0.6
v1.0.7
v1.1.0
v1.10.0
v1.11.0
v1.11.0-rc.1
v1.12.0
v1.12.0-rc.1
v1.12.0-rc.2
v1.2.0
v1.3.0
v1.4.0
v1.5.0
v1.6.0
v1.7.0
v1.8.0
v1.9.0
v2.*
v2.0.0
v2.0.0-rc.1
v2.0.0-rc.2
v2.0.0-rc.3
v2.0.0-rc.4
v2.0.1
v2.1.0-rc.1
v2.1.0-rc.2
v2.1.1
v2.1.2
v2.1.3
v2.2.0
v2.2.0-rc.1
v2.3.0
v2.3.0-rc.0
v2.3.0-rc.1
v2.3.0-rc.2
v2.3.0-rc.3
v2.4.0
v2.4.0-beta.0
v2.4.0-beta.1
v2.4.0-beta.2
v2.5.0
v2.5.0-rc.0
v2.5.1
v3.*
v3.0.0
v3.0.0-rc.0
v3.0.0-rc.1
v3.0.1
v3.0.2
v3.1.0
v3.1.0-rc.0
v3.1.0-solc-0.7
v3.2.0
v3.2.0-rc.0
v3.2.1-solc-0.7
v3.2.2-solc-0.7
v3.3.0
v3.3.0-rc.0
v3.3.0-rc.1
v3.3.0-rc.2
v3.4.0
v3.4.0-rc.0
v4.*
v4.0.0
v4.0.0-beta.0
v4.0.0-beta.1
v4.0.0-rc.0
v4.1.0
v4.1.0-rc.0
v4.2.0
v4.2.0-rc.0
v4.3.0
v4.3.0-rc.0
v4.3.1