CVE-2023-22805 : What You Need to Know

This CVE-2023-22805 was published by the assigner organization ICS-CERT on February 15, 2023. It involves vulnerabilities reported in LS Electric's XBC-DN32U with operating system version 01.80, which allows remote attackers to manipulate the read prohibition feature, potentially locking users out from accessing data on the device.

Understanding CVE-2023-22805

This section will delve into the specifics of CVE-2023-22805, including the vulnerability description, impact, technical details, affected systems, and mitigation steps.

What is CVE-2023-22805?

The vulnerability in LS Electric's XBC-DN32U with operating system version 01.80 lies in its improper access control to the read prohibition feature. This flaw could enable malicious actors to remotely set the feature, thereby restricting legitimate users from reading data on the device.

The Impact of CVE-2023-22805

With a CVSSv3 base score of 6.5, this vulnerability poses a medium-severity risk. Although it does not impact confidentiality or integrity, the availability of the system could be significantly affected. Attack complexity is low, and the vector is through the network.

Technical Details of CVE-2023-22805

Examining the vulnerability from a technical standpoint reveals crucial insights into its nature and potential risks.

Vulnerability Description

The vulnerability allows remote attackers to manipulate the read prohibition feature in LS Electric's XBC-DN32U, leading to denial of service by blocking user access to device data.

Affected Systems and Versions

Specifically, LS Electric's XBC-DN32U running operating system version 01.80 is susceptible to this vulnerability, potentially impacting users of this particular product.

Exploitation Mechanism

The exploitation of this vulnerability occurs remotely, where attackers can exploit the improper access control to manipulate the read prohibition feature.

Mitigation and Prevention

To address CVE-2023-22805, immediate action should be taken to prevent potential exploitation and secure affected systems.

Immediate Steps to Take

LS Electric is working on mitigations, set to be released by the end of 2023.
Users are advised to implement workarounds, such as restricting communication to the PLC to trusted IP addresses and devices by enabling the "Host Table" option in the configuration window.

Long-Term Security Practices

In the long run, users should stay informed about security updates from the vendor, follow best practices for securing industrial control systems, and maintain a proactive approach to cybersecurity.

Patching and Updates

Regularly check for updates and patches from LS Electric to address vulnerabilities like CVE-2023-22805. Implementing timely updates can help mitigate risks associated with known security flaws.