Denial of Service Vulnerability in Ethereum's Proof-of-Stake Consensus Protocol
CVE-2021-42765

7.5HIGH

Key Information:

Vendor

Proof-of-stake Ethereum Project

Status
Proof-of-stake Ethereum
Vendor
CVE Published:
20 October 2021

What is CVE-2021-42765?

The Ethereum Proof-of-Stake consensus protocol is susceptible to a Denial of Service attack that leverages network delays, potentially leading to indefinite stalling of consensus decisions. This vulnerability allows an adversary to disrupt the network's ability to reach consensus, impairing the functionality and reliability of the Ethereum platform.

References

https://arxiv.org/abs/2110.10086
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-42765 : Denial of Service Vulnerability in Ethereum's Proof-of-Stake Consensus Protocol