CVE-2021-43667

PoC —

CVSS 3.1

7.5 high

EPSS

1%p70

Published

Nov 18, 2021 (Nov 18, 2021)

Modified

Jun 17, 2026

Description

A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.1.0. This bug can be leveraged by constructing a message whose payload is nil and sending this message with the method 'forwardToLeader'. This bug has been admitted and fixed by the developers of Fabric. If leveraged, any leader node will crash.

Vendors: linuxfoundation
Products: fabric
Weakness: CWE-476
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.3%)

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