CVE Vulnerabilities

CVE-2021-42764

Published: Oct 20, 2021 | Modified: Oct 26, 2021

CVSS 3.x

9.1

CRITICAL

Source:

NVD

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

CVSS 2.x

6.4 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-42764
CWE	https://cwe.mitre.org/data/definitions/.html

The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service (delayed consensus decisions), and also increase the profits of individual validators, via short-range reorganizations of the underlying consensus chain.

Affected Software

Name	Vendor	Start Version	End Version
Proof-of-stake_ethereum	Proof-of-stake_ethereum_project	*	2021-10-19 (including)

References

https://arxiv.org/abs/2110.10086

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