CVE-2022-47547 Business logic in n/a

Medium 5.3 Published 19 Dec 2022 Updated 17 Apr 2025

Attackers can maintain network presence and avoid pruning by exploiting GossipSub scoring logic, bypassing peer reputation mechanisms.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-47547?

CVE-2022-47547 is a medium-severity vulnerability in n/a, published on 19 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score (and thus not be pruned from the network) even though it continuously misbehaves by never forwarding topic messages.

Weakness: CWE-281

Which versions are affected by CVE-2022-47547?

It affects 1 product.

Products include Protocol Gossipsub.

How do I fix CVE-2022-47547?

No fix has been published for CVE-2022-47547 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-47547 being exploited?

There is no known exploitation of CVE-2022-47547 in the wild and no public exploit code.

CVE-2020-12821 Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack. Critical 9.8

Sources

Also known as GHSA-77r2-q4c3-v635.