CVE-2023-49140 : What You Need to Know
Understand the CVE-2023-49140 DoS vulnerability affecting JTEKT GC-A2 series devices. Learn about the impact, affected systems, exploitation, and mitigation steps.
This article provides an overview of CVE-2023-49140, a Denial-of-Service (DoS) vulnerability affecting the commplex-link service of HMI GC-A2 series devices manufactured by JTEKT ELECTRONICS CORPORATION.
Understanding CVE-2023-49140
This section delves into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2023-49140?
The CVE-2023-49140 is a DoS vulnerability that allows a remote unauthenticated attacker to trigger a DoS condition by sending specially crafted packets to specific ports of HMI GC-A2 series devices.
The Impact of CVE-2023-49140
The vulnerability poses a significant risk as it can lead to a denial-of-service condition, disrupting the normal operation of affected devices and potentially impacting critical systems.
Technical Details of CVE-2023-49140
This section outlines specific technical information related to the vulnerability.
Vulnerability Description
The vulnerability exists in the commplex-link service of HMI GC-A2 series devices, enabling attackers to exploit it remotely without authentication.
Affected Systems and Versions
The following JTEKT ELECTRONICS CORPORATION products are affected:
- GC-A22W-CW
- GC-A24W-C(W)
- GC-A26W-C(W)
- GC-A24
- GC-A24-M
- GC-A25
- GC-A26
- GC-A26-J2
- GC-A27-C
- GC-A28-C
Exploitation Mechanism
The vulnerability is exploited by sending malicious packets to specific ports of the affected devices, triggering a DoS condition.
Mitigation and Prevention
This section provides guidance on addressing the CVE-2023-49140 vulnerability.
Immediate Steps to Take
- Monitor network traffic for any suspicious activity targeting the affected ports.
- Implement network-level controls to restrict unauthorized access.
Long-Term Security Practices
- Regularly update and patch the firmware of the affected devices.
- Conduct security audits and assessments to identify and address vulnerabilities proactively.
Patching and Updates
Refer to the vendor's security advisories and apply patches or updates as soon as they are available.