How severe is CVE-2022-47547?

CVE-2022-47547 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2022-47547 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-47547?

CVE-2022-47547 affects Protocol Gossipsub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-47547?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-47547 published?

CVE-2022-47547 was published on 2022-12-19 and last updated on 2026-06-17.

CVE-2022-47547

CVE-2022-47547 is a medium-severity vulnerability in Protocol Gossipsub with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-281.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Protocol Gossipsub
Published: 2022-12-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-47547?: 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.
How severe is CVE-2022-47547?: CVE-2022-47547 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2022-47547 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-47547?: CVE-2022-47547 affects Protocol Gossipsub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-47547?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-47547 published?: CVE-2022-47547 was published on 2022-12-19 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:protocol:gossipsub:1.1:*:*:*:*:*:*:*

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

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