Cyber Resilience

CVE-2022-47547

MediumPublic PoC

Published: 19 December 2022

Published
19 December 2022
Modified
17 April 2025
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0017 38.1th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-47547 is a medium-severity Improper Preservation of Permissions (CWE-281) vulnerability in Protocol Gossipsub. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 38.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-281

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

protocol
gossipsub
1.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

PS-5 Personnel Transfer
addresses: CWE-281

Forces removal or modification of permissions no longer required after reassignment, preventing improper preservation of old access rights.

References