CVE-2021-41173

DoS via maliciously crafted p2p message

Description

Go Ethereum is the official Golang implementation of the Ethereum protocol. Prior to version 1.10.9, a vulnerable node is susceptible to crash when processing a maliciously crafted message from a peer. Version v1.10.9 contains patches to the vulnerability. There are no known workarounds aside from upgrading.

Category

5.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com Third-Party Advisory github.com 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-59hh-656j-3p7v third party advisory
https://github.com/ethereum/go-ethereum/pull/23801 third party advisory patch
https://github.com/ethereum/go-ethereum/commit/e40b37718326b8b4873b3b00a0db2e6c6d9ea738 third party advisory patch
https://github.com/ethereum/go-ethereum/releases/tag/v1.10.9 third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2021-41173?
CVE-2021-41173 has been scored as a medium severity vulnerability.
How to fix CVE-2021-41173?
To fix CVE-2021-41173, 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-2021-41173 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-41173 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-2021-41173?
CVE-2021-41173 affects ethereum go-ethereum.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.