In OpenZeppelin <=v4.4.0, initializer functions that are invoked separate from contract creation (the most prominent example being minimal proxies) may be reentered if they make an untrusted non-view external call. Once an initializer has finished running it can never be re-executed. However, an exception put in place to support multiple inheritance made reentrancy possible, breaking the expectation that there is a single execution.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-02-04T11:35:52

Updated: 2024-08-04T05:02:11.583Z

Reserved: 2022-01-18T00:00:00

Link: CVE-2021-46320

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-02-04T12:15:07.623

Modified: 2024-11-21T06:33:52.607

Link: CVE-2021-46320

cve-icon Redhat

No data.