CVE-2021-39137
Consensus flaw during block processing in github.com/ethereum/go-ethereum
6.5
MEDIUM
CVSS 3.1
EPSS 0.29%
Description
A vulnerability in the Geth EVM can cause a node to reject the canonical chain. A memory-corruption bug within the EVM can cause a consensus error, where vulnerable nodes obtain a different stateRoot when processing a maliciously crafted transaction. This, in turn, would lead to the chain being split in two forks.
How to fix CVE-2021-39137
To remediate CVE-2021-39137, upgrade the affected package to a fixed version below.
- —upgrade to 1.10.8 or later
- —upgrade to 1.10.8 or later
Is CVE-2021-39137 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 1.10.0, < 1.10.8
- from 0, < 1.10.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |