CVE-2021-46591 Explained : Impact and Mitigation

A vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows remote code execution.

Understanding CVE-2021-46591

This CVE involves executing arbitrary code on affected Bentley MicroStation CONNECT installations.

What is CVE-2021-46591?

Attackers can exploit a flaw in parsing JT files to execute code remotely.
User interaction is necessary through visiting a malicious page or opening a malicious file.

The Impact of CVE-2021-46591

CVSS Score: 7.8 (High Severity)
Attack Complexity: Low
Privileges Required: None
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2021-46591

This section covers the vulnerability's specific technical aspects.

Vulnerability Description

The flaw allows attackers to trigger a buffer read overrun via crafted data in a JT file.
Exploitation enables code execution in the current process context.

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Requires user engagement by accessing malicious content.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2021-46591.

Immediate Steps to Take

Update Bentley MicroStation CONNECT to a patched version.
Exercise caution while accessing unknown or suspicious files/links.

Long-Term Security Practices

Regularly update software to mitigate known vulnerabilities.
Implement secure coding practices and conduct security assessments.

Patching and Updates

Stay informed about software patches and security advisories.