CVE-2021-46597 : Vulnerability Insights and Analysis

This CVE-2021-46597 is related to a vulnerability in Bentley MicroStation CONNECT version 10.16.0.80, allowing remote attackers to execute arbitrary code. The vulnerability requires user interaction and affects confidentiality, integrity, and availability of the system.

Understanding CVE-2021-46597

This section provides an overview of the CVE-2021-46597 vulnerability.

What is CVE-2021-46597?

The vulnerability allows remote attackers to execute arbitrary code on Bentley MicroStation CONNECT 10.16.0.80 installations. It occurs due to a flaw in parsing JT files, enabling attackers to exploit it through user interaction.

The Impact of CVE-2021-46597

The vulnerability has a CVSS base score of 7.8 (High severity) with significant impacts on confidentiality, integrity, and availability. Attackers can execute code within the current process.

Technical Details of CVE-2021-46597

This section delves into the technical aspects of CVE-2021-46597.

Vulnerability Description

The flaw involves the lack of validating object existence before operations in Bentley MicroStation CONNECT 10.16.0.80. It is categorized as a Use After Free vulnerability (CWE-416).

Affected Systems and Versions

Product: MicroStation CONNECT
Vendor: Bentley
Version: 10.16.0.80

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Attack Vector String: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2021-46597 vulnerability.

Immediate Steps to Take

Update Bentley MicroStation CONNECT to a patched version.
Avoid visiting suspicious or untrusted websites.
Exercise caution when opening files from unknown sources.

Long-Term Security Practices

Conduct regular security training for users.
Implement network segmentation to limit exposure.

Patching and Updates

Apply security patches provided by Bentley to address the vulnerability.