Authentication Bypass by Capture-replay in Omron products - CVE-2022-33971

 

Authentication Bypass by Capture-replay in Omron products - CVE-2022-33971

Published: July 4, 2022 / Updated: November 11, 2022


Vulnerability identifier: #VU64875
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-33971
CWE-ID: CWE-294
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote administrator on the local network can bypass authentication process and execute arbitrary code on the target system.


Affected software

NX7-series Machine Automation Controller
NX1-series Machine Automation Controller
NJ-series Machine Automation Controller

How to mitigate CVE-2022-33971

Install updates from vendor's website.

NX7-series Machine Automation Controller - update to 1.29
NX1-series Machine Automation Controller - update to 1.49
NJ-series Machine Automation Controller - update to 1.49

External References

Related Security Bulletins