CVE-2020-12821: Critical severity protocol Gossipsub vulnerability
Published Jul 7, 2020
·Updated
Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack.
Affected Software
1 affected component
protocol Gossipsub=1.0
Remediation
Patch Available
Event History
Jul 7, 2020
CVE Published
via MITRE·07:18 PM
Data Sourced
via MITRE·07:18 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2020-12821?
CVE-2020-12821 has been classified as a moderate vulnerability due to its potential for enabling eclipse and sybil attacks.
2
How do I fix CVE-2020-12821?
To mitigate CVE-2020-12821, consider implementing message validation mechanisms and strengthen peer identity verification in Gossipsub 1.0.
3
What types of attacks are associated with CVE-2020-12821?
CVE-2020-12821 is associated with eclipse attacks and sybil attacks, which exploit weaknesses in the message handling process.
4
Which version of Gossipsub is affected by CVE-2020-12821?
CVE-2020-12821 specifically affects version 1.0 of the Gossipsub protocol.
5
Is CVE-2020-12821 a common vulnerability in Gossipsub?
CVE-2020-12821 highlights a significant weakness in Gossipsub 1.0, making it a notable vulnerability in the context of peer-to-peer networking.