CVE-2023-27855 : What You Need to Know
CVE-2023-27855 exposed a path traversal flaw in ThinManager ThinServer, enabling remote code execution. Learn about impact, affected versions, and mitigation steps.
This CVE-2023-27855 was assigned to Rockwell Automation's ThinManager ThinServer due to a path traversal vulnerability that could potentially allow an unauthenticated remote attacker to upload arbitrary files to any directory on the disk drive where ThinServer.exe is installed, leading to possible remote code execution.
Understanding CVE-2023-27855
This section dives deeper into the details and impact of the CVE-2023-27855 vulnerability.
What is CVE-2023-27855?
In affected versions of Rockwell Automation's ThinManager ThinServer, a path traversal vulnerability exists. This flaw could be exploited by a remote attacker to upload unauthorized files to the system, potentially leading to remote code execution.
The Impact of CVE-2023-27855
The impact of CVE-2023-27855 is classified as critical, with a CVSS base score of 9.8. The vulnerability's exploitation could result in high impacts on confidentiality, integrity, and availability, making it a severe threat.
Technical Details of CVE-2023-27855
Delving into the technical aspects of the CVE-2023-27855 vulnerability.
Vulnerability Description
The vulnerability arises when processing a message in Rockwell Automation's ThinManager ThinServer, allowing attackers to upload arbitrary files to the system and potentially execute malicious code.
Affected Systems and Versions
The vulnerability affects multiple versions of ThinManager ThinServer, ranging from 6.x to 13.0.1.
Exploitation Mechanism
An unauthenticated remote attacker can exploit this vulnerability by manipulating the system to upload files to critical directories, enabling them to execute malicious code.
Mitigation and Prevention
Taking necessary measures to mitigate the risks associated with CVE-2023-27855.
Immediate Steps to Take
Users are advised to update to the corrected versions of the product as specified in the reference article to eliminate the vulnerability.
Long-Term Security Practices
Implementing robust security measures, such as network segmentation, access controls, and intrusion detection systems, can help prevent similar vulnerabilities in the long term.
Patching and Updates
Regularly applying security patches and updates provided by Rockwell Automation is essential to ensure the system's protection against known vulnerabilities.