CVE-2021-43669

HIGH

Hyperledger Fabric 1.4.0, 2.0.0, 2.0.1, 2.3.0 - Denial of Service via Invalid Order Header

Title source: llm
STIX 2.1

Description

A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.0.1, v2.3.0. It can easily break down as many orderers as the attacker wants. This bug can be leveraged by constructing a message whose header is invalid to the interface Order. This bug has been admitted and fixed by the developers of Fabric.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://jira.hyperledger.org/browse/FAB-18528
Patch, Third Party Advisory x_refsource_misc
https://github.com/hyperledger/fabric/pull/2828

Scores

CVSS v3 7.5
EPSS 0.0109
EPSS Percentile 61.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-444
Status published
Products (5)
hyperledger/fabric 0 - 2.4.0Go
linuxfoundation/fabric 1.4.0
linuxfoundation/fabric 2.0.0
linuxfoundation/fabric 2.0.1
linuxfoundation/fabric 2.3.0
Published Nov 18, 2021
Tracked Since Feb 18, 2026