CVE-2021-39137

moderate-risk

Published 2021-08-24

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.

Do I need to act?

0.29% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.5/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Go Ethereum

Affected Vendors

Ethereum

References (4)

Third Party Advisory https://github.com/ethereum/go-ethereum/releases/tag/v1.10.8

Third Party Advisory https://github.com/ethereum/go-ethereum/security/advisories/GHSA-9856-9gg9-qcmq

Third Party Advisory https://github.com/ethereum/go-ethereum/releases/tag/v1.10.8

Third Party Advisory https://github.com/ethereum/go-ethereum/security/advisories/GHSA-9856-9gg9-qcmq

/ 100

moderate-risk

Severity 24/34 · High

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal