CVE-2021-39137

Consensus flaw during block processing in go-ethereum

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: ethereum go-ethereum
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2021-39137?
CVE-2021-39137 has been scored as a medium severity vulnerability.
How to fix CVE-2021-39137?
To fix CVE-2021-39137, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-39137 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-39137 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-39137?
CVE-2021-39137 affects ethereum go-ethereum.
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