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.
Published: 2021-08-26
Score: 10 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Advisories
Source ID Title
EUVD EUVD EUVD-2021-1903 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.
Github GHSA Github GHSA GHSA-vrw4-w73r-6mm8 TimelockController vulnerability in OpenZeppelin Contracts
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Openzeppelin Contracts
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-04T01:58:18.167Z

Reserved: 2021-08-16T00:00:00.000Z

Link: CVE-2021-39168

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-27T00:15:07.040

Modified: 2024-11-21T06:18:46.580

Link: CVE-2021-39168

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses