Input validation error in Fabric - CVE-2022-31121
Published: July 7, 2022 / Updated: April 23, 2026
Vulnerability identifier: #VU127235
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-31121
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper input validation in consensus request handling in orderer/common/cluster when processing malformed consensus requests. A remote user can send a malformed consensus request to cause a denial of service.
Affected software
Fabric
How to mitigate CVE-2022-31121
Install security update from vendor's website.
Fabric - addressed in versions 2.2.7, 2.4.5