Denial of Service Vulnerability in Ethereum Proof-of-Stake Consensus Protocol
CVE-2021-42764
9.1CRITICAL
Key Information:
- Status
- Vendor
- CVE Published:
- 20 October 2021
What is CVE-2021-42764?
The Ethereum Proof-of-Stake consensus protocol, through October 19, 2021, is vulnerable to a denial of service attack that can delay consensus decisions. This vulnerability allows adversaries to perform short-range reorganizations on the underlying consensus chain, potentially increasing the profits of specific validators while undermining the overall reliability of the network.