GossipSub 1.1/2.0 Topic Message access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in GossipSub 1.1/2.0 and classified as critical. Affected by this issue is an unknown code of the component Topic Message Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented 12/19/2022. The advisory is shared for download at arxiv.org. This vulnerability is handled as CVE-2022-47547 since 12/19/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.



CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒


12/19/2022 Advisory disclosed
12/19/2022 +0 days CVE reserved
12/19/2022 +0 days VulDB entry created
01/15/2023 +27 days VulDB last update


Advisory: arxiv.org
Status: Not defined

CVE: CVE-2022-47547 (🔒)


Created: 12/19/2022 02:06 PM
Updated: 01/15/2023 03:04 PM
Changes: 12/19/2022 02:06 PM (37), 01/15/2023 03:04 PM (11)
Complete: 🔍


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