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I. Basic Information for CVE-2021-39168
Vulnerability Information

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Vulnerability Title
TimelockController vulnerability in OpenZeppelin Contracts
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenZepplin is a library for smart contract development. In affected versions a vulnerability in TimelockController allowed an actor with the executor role to escalate privileges. Further details about the vulnerability will be disclosed at a later date. As a workaround revoke the executor role from accounts not strictly under the team's control. We recommend revoking all executors that are not also proposers. When applying this mitigation, ensure there is at least one proposer and executor remaining.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenZepplin 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenZepplin是一个用于智能合约开发的库。 OpenZepplin 存在安全漏洞,该漏洞允许具有执行者角色的参与者提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
OpenZeppelinopenzeppelin-contracts-upgradeable >=4.0.0, < 4.3.1 -
II. Public POCs for CVE-2021-39168
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III. Intelligence Information for CVE-2021-39168
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IV. Related Vulnerabilities
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