TI-2022-23607 Aliases CVE-2022-47547 GHSA-77r2-q4c3-v635

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score (and…

LOW 31CWE-281Published 2022-12-19 · Updated 2025-04-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00555 46th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:protocol:gossipsub:1.1:::::::*	1.1	Vulnerable	Protocol

cpe:2.3:a:protocol:gossipsub:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Protocol

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-47547
2026-10-03 Alias added: GHSA-77r2-q4c3-v635

References

Exploit 1

https://arxiv.org/pdf/2212.05197.pdf

TI-2020-10190 Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack. CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences