CVE-2023-2915 : What You Need to Know

This CVE-2023-2915 article provides insight into a vulnerability impacting Rockwell Automation's ThinManager ThinServer software.

Understanding CVE-2023-2915

This section delves into the details of the vulnerability affecting Rockwell Automation's ThinManager ThinServer software.

What is CVE-2023-2915?

CVE-2023-2915 involves an improper input validation vulnerability in the ThinManager software. This flaw allows for a path traversal vulnerability to occur during the processing of a specific function. If exploited, an unauthenticated remote threat actor can delete arbitrary files with system privileges. Additionally, a malicious user could exploit this vulnerability by sending a specially crafted synchronization protocol message, leading to a denial-of-service condition.

The Impact of CVE-2023-2915

The impact of this vulnerability, categorized under CAPEC-126 Path Traversal, is considered significant, with a CVSSv3.1 base score of 7.5 (High).

Technical Details of CVE-2023-2915

This section provides more technical insights into the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper input validation in Rockwell Automation's ThinManager ThinServer software, enabling path traversal attacks that can be exploited by threat actors.

Affected Systems and Versions

The affected systems include ThinManager ThinServer versions ranging from 11.0.0 to 13.1.0, encompassing multiple versions within this range.

Exploitation Mechanism

Exploiting this vulnerability involves sending a specifically crafted synchronization protocol message to trigger the path traversal vulnerability, potentially resulting in the deletion of files with system privileges and denial-of-service conditions.

Mitigation and Prevention

This section outlines steps to mitigate the CVE-2023-2915 vulnerability and prevent potential exploitation.

Immediate Steps to Take

Update to the corrected software versions provided by Rockwell Automation.
Limit remote access for TCP Port 2031 to known thin clients and ThinManager servers to reduce the risk of unauthorized access.

Long-Term Security Practices

Incorporate secure coding practices, conduct regular security assessments, and maintain awareness of potential vulnerabilities to enhance the overall security posture and reduce the likelihood of similar incidents in the future.

Patching and Updates

Stay informed about patches and updates released by Rockwell Automation to address security vulnerabilities promptly. Regularly apply patches to ensure the software is up-to-date and protected against known threats.