Multiple UC series IPC are affected by CVE-2023-48795. These vulnerabilities are caused by insufficient integrity checks of packets during a handshake. An attacker in a network position between the client and server could omit some negotiation message, forcing to downgrade or disable some security features without detection. This vulnerability may lead to bypass authentication.

The identified vulnerability types and potential impacts are shown below:

Vulnerability Scoring Details 

Affected Products:

The affected products and firmware versions are shown below.

Solutions:

Moxa has developed appropriate solutions to address the vulnerabilities. The solutions for affected products are shown below.

Mitigation:

• Minimize network exposure to ensure the device is not accessible from the Internet.
• When remote access is required, use secure methods, such as Virtual Private Networks (VPNs).
• The starting point of all the above vulnerabilities is from the web service, so it is suggested to disable web service temporarily if you completed configuration to prevent further damages from these vulnerabilities until installed patch or updated firmware. 

Products That Are Not Vulnerable:

Only the products listed in the Affected Products section of this advisory are known to be affected by this vulnerability.

Revision History: