CVE-2021-39137

HIGH
Published Aug 24, 20214y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Aug 24, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-436

Affected Products 1

VendorProductVersionRange
ethereumgo_ethereum*≥1.10.0  –  <1.10.8

References 2

  • github.com https://github.com/ethereum/go-ethereum/releases/tag/v1.10.8
    Third Party Advisory
  • github.com https://github.com/ethereum/go-ethereum/security/advisories/GHSA-9856-9gg9-qcmq
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.