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 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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (69.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Ethereum Go-Ethereum — versions >= 1.10.0, < 1.10.8
- Ethereum Go
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ethereum/go-ethereum/security/advisories/GHSA-9856-9gg9-qcmq (Third Party Advisory)
- github.com/ethereum/go-ethereum/releases/tag/v1.10.8 (Third Party Advisory)
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.