CVE-2021-46646 Explained : Impact and Mitigation
Learn about CVE-2021-46646, a vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allowing remote code execution. Understand the impact, affected systems, and mitigation steps.
A vulnerability in Bentley MicroStation CONNECT 10.16.0.80 allows remote code execution, impacting confidentiality, integrity, and availability.
Understanding CVE-2021-46646
This CVE involves a flaw in the parsing of DGN files in Bentley MicroStation CONNECT 10.16.0.80, enabling attackers to execute arbitrary code through crafted data.
What is CVE-2021-46646?
The vulnerability in Bentley MicroStation CONNECT 10.16.0.80 permits remote attackers to execute code by exploiting a parsing issue in DGN files.
The Impact of CVE-2021-46646
- Attack Complexity: Low
- Attack Vector: Local
- Requires User Interaction
- High Impact on Confidentiality, Integrity, and Availability
Technical Details of CVE-2021-46646
This section details the technical aspects of the vulnerability.
Vulnerability Description
The flaw allows attackers to trigger a write beyond an allocated buffer in DGN files, leading to code execution.
Affected Systems and Versions
- Product: MicroStation CONNECT
- Vendor: Bentley
- Version: 10.16.0.80
Exploitation Mechanism
To exploit the vulnerability, a user must interact with a malicious page or file containing crafted data.
Mitigation and Prevention
Steps to mitigate the impact of CVE-2021-46646.
Immediate Steps to Take
- Apply security patches promptly
- Avoid opening suspicious files or visiting untrusted websites
Long-Term Security Practices
- Conduct regular security assessments
- Educate users on safe browsing habits
Patching and Updates
- Install vendor-provided patches
- Keep systems updated with the latest security fixes