Network Delay Exploit: Indefinite Consensus Stalling in Proof-of-Stake Ethereum (PoS) Protocol

CVE-2021-42765 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage network delay to cause a denial of service (indefinite stalling of consensus decisions).

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