CVE-2021-41173

DoS via maliciously crafted p2p message

MEDIUM
5.7
CVSS Score
Published: October 26, 2021 at 02:05 PM UTC
Updated: June 17, 2026 at 04:08 AM UTC
1 product affected across 1 vendorGo Ethereum

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Severity
MEDIUM5.7
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.10.9
Affected range stops below 1.10.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

5.7MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20NVD-CWE-noinfo

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