CVE-2022-1331 Explained : Impact and Mitigation

Delta Electronics DMARS software versions prior to v2.1.10.24 are affected by an improper restriction of XML external entity reference vulnerability, which could lead to unauthorized information disclosure.

Understanding CVE-2022-1331

This CVE impacts users of Delta Electronics DMARS software who are running versions earlier than v2.1.10.24. The vulnerability allows malicious actors to access sensitive information through XML external entity references.

What is CVE-2022-1331?

The CVE-2022-1331 vulnerability in Delta Electronics DMARS arises from inadequate restrictions on XML external entity references within specific project files. This flaw enables threat actors to gain access to confidential data without proper authorization.

The Impact of CVE-2022-1331

The impact of CVE-2022-1331 is categorized as MEDIUM severity with a CVSS base score of 5.5. It poses a significant risk to confidentiality by allowing unauthorized parties to retrieve sensitive information through XML entity manipulation.

Technical Details of CVE-2022-1331

Delta Electronics DMARS software versions prior to v2.1.10.24 are vulnerable to exploitation through improper handling of XML external entities.

Vulnerability Description

The vulnerability stems from the software failing to adequately restrict XML external entity references during the processing of specific project files.

Affected Systems and Versions

All versions of Delta Electronics DMARS software prior to v2.1.10.24 are impacted by this vulnerability.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by manipulating XML external entity references in project files, leading to the unauthorized disclosure of sensitive information.

Mitigation and Prevention

Users and administrators of Delta Electronics DMARS software are advised to take immediate action to mitigate the risks posed by CVE-2022-1331.

Immediate Steps to Take

Update the DMARS software to version v2.1.10.24 or higher to patch the vulnerability.
Implement network security measures and access controls to minimize the risk of unauthorized data access.

Long-Term Security Practices

Regularly monitor for security updates and patches released by Delta Electronics for DMARS software.
Conduct security training to educate users on best practices for handling sensitive information.

Patching and Updates

Ensure that all systems running Delta Electronics DMARS are promptly updated with the latest patches to defend against potential exploitation of CVE-2022-1331.