Vulnerability in Ethereum Go-ethereum

CVE-2021-39137

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…

EPSS: 0.015 (71.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-39137?
CVE-2021-39137 is a medium-severity vulnerability in Ethereum Go-ethereum, classified under CWE-436. CVSS score: 6.5/10. Published 2021-08-24.
How severe is CVE-2021-39137?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-39137 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.