CVE-2021-23855 : What You Need to Know

A vulnerability has been identified in the IndraMotion MLC IndraMotion XLC product by Rexroth, exposing the user and password database. This CVE allows attackers to uncover passwords hashed with a weak algorithm, posing a risk to confidentiality.

Understanding CVE-2021-23855

This section provides insights into the nature and impact of the vulnerability.

What is CVE-2021-23855?

The vulnerability in the IndraMotion MLC IndraMotion XLC product by Rexroth exposes the user and password database through an unprotected web server resource. This allows attackers to decrypt passwords using rainbow tables due to weak hashing.

The Impact of CVE-2021-23855

The impact of this CVE is classified as high severity with a CVSS base score of 8.6. It poses a significant threat to confidentiality as attackers can access sensitive information stored in the exposed database.

Technical Details of CVE-2021-23855

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from an unprotected web server resource exposing the user and password database. Weak hashing algorithms make it possible for attackers to decrypt passwords using rainbow tables.

Affected Systems and Versions

All versions of the IndraMotion MLC IndraMotion XLC product by Rexroth are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by accessing the unprotected web server resource and utilizing weak hashing algorithms to decrypt passwords.

Mitigation and Prevention

Explore the measures to mitigate and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Secure the web server resource to prevent unauthorized access to the user and password database.
Implement strong hashing algorithms to enhance password security.

Long-Term Security Practices

Regularly update and patch the affected system to address vulnerabilities.
Conduct security audits to identify and remediate any potential weaknesses.

Patching and Updates

Stay informed about security advisories from Rexroth and apply patches promptly to protect against known vulnerabilities.