CVE-2021-39137
6.5 · MEDIUMOverview
CVE-2021-39137 is a medium-severity vulnerability affecting ethereum go_ethereum. It was published on August 24, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from ethereum. Update go_ethereum to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ethereum | go_ethereum | >= 1.10.0, < 1.10.8 | Affected |
Frequently Asked Questions
What is CVE-2021-39137?
CVE-2021-39137 is a medium-severity vulnerability affecting ethereum go_ethereum. It was published on August 24, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2021-39137?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-39137?
Check the references section for vendor advisories and patches from ethereum. Update go_ethereum to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-39137?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-39137 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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