Vulnerabilities > CVE-2021-43667 - NULL Pointer Dereference vulnerability in Linuxfoundation Fabric 1.4.0/2.0.0/2.1.0
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 3 |