CVE-2021-39137 MEDIUM

CVE-2021-39137: Consensus flaw during block processing in go-ethereum

Vendor Ethereum
Product go-ethereum
Weakness CWE-436
Published August 24, 2021
Last update August 4, 2024

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

go-ethereum is the official Go implementation of the Ethereum protocol. In affected versions a consensus-vulnerability in go-ethereum (Geth) could cause a chain split, where vulnerable versions refuse to accept the canonical chain. Further details about the vulnerability will be disclosed at a later date. A patch is included in the upcoming `v1.10.8` release. No workaround are available.

Key dates

02Disclosure timeline

August 24, 2021 CVE published
August 4, 2024 Record updated