CVE-2022-25158 : Security Advisory and Response

A Cleartext Storage of Sensitive Information vulnerability has been discovered in multiple Mitsubishi Electric MELSEC series CPUs, potentially allowing remote attackers to access or modify a file containing password hashes.

Understanding CVE-2022-25158

This CVE identifies a critical security issue in various Mitsubishi Electric MELSEC series CPUs that could lead to unauthorized access to sensitive information.

What is CVE-2022-25158?

The vulnerability pertains to the insecure storage of password hashes in cleartext within affected Mitsubishi Electric MELSEC series CPUs, which could be exploited by remote attackers to compromise security.

The Impact of CVE-2022-25158

This vulnerability poses a significant risk as it enables threat actors to potentially view or alter password hashes stored in cleartext, compromising the confidentiality and integrity of sensitive data.

Technical Details of CVE-2022-25158

Here are key technical details related to the CVE-2022-25158 vulnerability:

Vulnerability Description

The flaw involves the cleartext storage of sensitive information within multiple Mitsubishi Electric MELSEC series CPUs, providing an opportunity for unauthorized access to password hashes.

Affected Systems and Versions

The vulnerability affects various products and versions across Mitsubishi Electric MELSEC iQ-F, iQ-R, Q, and L series CPUs.

Exploitation Mechanism

Remote attackers can exploit this vulnerability to gain access to cleartext password hashes, potentially leading to unauthorized access and data manipulation.

Mitigation and Prevention

To address CVE-2022-25158, it is crucial to take immediate steps and implement long-term security practices to safeguard vulnerable systems.

Immediate Steps to Take

Organizations should apply security patches released by Mitsubishi Electric promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Enforce robust password management practices, including using strong, encrypted passwords and implementing multi-factor authentication.
Conduct regular security audits and assessments to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security updates and patches provided by Mitsubishi Electric for the affected products and apply them as soon as they are available.