CVEvulnerability

CVE-2021-42764

9.1 CRITICAL Published 2021-10-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-10-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:P

Description

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 configurations

• proof-of-stake ethereum project proof-of-stake ethereum (<= 2021-10-19)

References