What is CVE-2021-46655?

CVE-2021-46655 is a vulnerability in Bentley View 10.15.0.75 that allows remote attackers to execute arbitrary code.

How can CVE-2021-46655 be exploited?

CVE-2021-46655 can be exploited by the target visiting a malicious page or opening a malicious file.

What is the severity of CVE-2021-46655?

CVE-2021-46655 has a severity rating of 7.8, which is considered high.

What is the recommended action to fix CVE-2021-46655?

To mitigate CVE-2021-46655, it is recommended to update Bentley View to version 10.16.02 or higher.

Vulnerability/
CVE-2021-46655

high

7.8

CWE

416

18/2/2022

4/8/2024

CVE-2021-46655: Bentley View JT File Parsing Use-After-Free Remote Code Execution Vulnerability

Q: Is user interaction required to exploit CVE-2021-46655?

Yes, user interaction is required to exploit this vulnerability.

First published: Fri Feb 18 2022(Updated: )

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JT files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15630.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Bentley MicroStation	<10.16.02
Bentley View	<10.16.02

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Frequently Asked Questions

What is CVE-2021-46655?
CVE-2021-46655 is a vulnerability in Bentley View 10.15.0.75 that allows remote attackers to execute arbitrary code.
Is user interaction required to exploit CVE-2021-46655?
Yes, user interaction is required to exploit this vulnerability.
How can CVE-2021-46655 be exploited?
CVE-2021-46655 can be exploited by the target visiting a malicious page or opening a malicious file.
What is the severity of CVE-2021-46655?
CVE-2021-46655 has a severity rating of 7.8, which is considered high.
What is the recommended action to fix CVE-2021-46655?
To mitigate CVE-2021-46655, it is recommended to update Bentley View to version 10.16.02 or higher.

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alias/ZDI-22-242
alias/ZDI-CAN-15630
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vendor/bentley
canonical/bentley microstation
canonical/bentley view

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