CVE-2022-33971 Explained : Impact and Mitigation
Discover the impact of CVE-2022-33971, an authentication bypass vulnerability in OMRON machine automation controllers, allowing nearby attackers to trigger denial-of-service conditions or execute malicious code. Learn about the affected systems, exploitation risks, and mitigation measures.
Machine automation controllers and automation software by OMRON are impacted by an authentication bypass vulnerability, allowing adjacent attackers to trigger a denial-of-service condition or execute malicious programs.
Understanding CVE-2022-33971
This vulnerability, assigned CVE-2022-33971, affects Machine automation controller NX7 series, NX1 series, and NJ series by OMRON.
What is CVE-2022-33971?
An authentication bypass by capture-replay vulnerability in the affected OMRON products permits nearby threat actors to exploit communication between the controller and internal software, leading to DoS incidents or unauthorized program executions.
The Impact of CVE-2022-33971
The security flaw may result in a denial-of-service attack or the running of malicious code by an adversary who can intercept and analyze communications between the controller and designated software.
Technical Details of CVE-2022-33971
This section provides specific insights into the vulnerability.
Vulnerability Description
The vulnerability in Machine automation controller NX7 series, NX1 series, and NJ series versions prior to specific releases allows for an authentication bypass via capture-replay attacks.
Affected Systems and Versions
Products affected include Machine automation controller NX7 series all models V1.28 and earlier, NX1 series all models V1.48 and earlier, and NJ series all models up to V1.48.
Exploitation Mechanism
Attackers in close proximity can exploit the vulnerability by eavesdropping on controller communications, potentially leading to DoS incidents or unauthorized program execution.
Mitigation and Prevention
Learn how to mitigate the risks posed by CVE-2022-33971.
Immediate Steps to Take
Immediately update the affected OMRON products to the latest patched versions issued by the vendor to remediate the vulnerability.
Long-Term Security Practices
Implement network segmentation and access controls to limit proximity-based attacks on automation systems and enhance overall security posture.
Patching and Updates
Regularly monitor security advisories from OMRON and apply patches promptly to secure the systems from known vulnerabilities.