Vulnerability · Published Aug 24, 2021 · Assigned by GitHub_M

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

Medium 6.5

In plain English

A medium-severity security flaw in go-ethereum from ethereum. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.3%top 28.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/ethereum/go-ethereum1.10.8GHSA-9856-9gg9-qcmq
Gogithub.com/ethereum/go-ethereum1.10.8GO-2022-0254

Affected products (as reported)

VendorProductVersions
ethereum go-ethereum >= 1.10.0, < 1.10.8

Weakness: CWE-436 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References