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CVE-2021-41264

CVE-2021-41264 · UUPSUpgradeable vulnerability in OpenZeppelin Contracts

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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](https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301).

CVSS 9.8 · Kritisch · EPSS 1,5% · Korrektur verfügbar

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Technologie-Stack: node

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