How can CVE-2021-46636 be exploited?

To exploit CVE-2021-46636, the target must visit a malicious page or open a malicious file.

Which software versions are affected by CVE-2021-46636?

CVE-2021-46636 affects Bentley MicroStation CONNECT version 10.16.0.80.

What is the severity of CVE-2021-46636?

CVE-2021-46636 has a severity of 7.8 (High).

How can I mitigate the risk of CVE-2021-46636?

To mitigate the risk of CVE-2021-46636, users should update to a version of Bentley MicroStation CONNECT that is not affected by the vulnerability.

Vulnerability/
CVE-2021-46636

high

7.8

CWE

125

18/2/2022

4/8/2024

CVE-2021-46636: Bentley MicroStation CONNECT DGN File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

Q: What is CVE-2021-46636?

CVE-2021-46636 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80.

First published: Fri Feb 18 2022(Updated: )

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80. 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 DGN files. Crafted data in a DGN file can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15508.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Bentley MicroStation	<10.16.02
Bentley MicroStation CONNECT	<=10.16.0.80
Bentley View	<10.16.02

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Reference Links

Frequently Asked Questions

What is CVE-2021-46636?
CVE-2021-46636 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80.
How can CVE-2021-46636 be exploited?
To exploit CVE-2021-46636, the target must visit a malicious page or open a malicious file.
Which software versions are affected by CVE-2021-46636?
CVE-2021-46636 affects Bentley MicroStation CONNECT version 10.16.0.80.
What is the severity of CVE-2021-46636?
CVE-2021-46636 has a severity of 7.8 (High).
How can I mitigate the risk of CVE-2021-46636?
To mitigate the risk of CVE-2021-46636, users should update to a version of Bentley MicroStation CONNECT that is not affected by the vulnerability.

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agent/references
agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/weakness
agent/severity
agent/title
agent/author
agent/softwarecombine
agent/tags
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agent/first-publish-date
agent/event
collector/zdi-advisory
source/ZDI
alias/ZDI-22-223
alias/ZDI-CAN-15508
alias/CVE-2021-46636
agent/software-canonical-lookup
vendor/bentley
canonical/bentley microstation
canonical/bentley microstation connect
version/bentley microstation connect/10.16.0.80
canonical/bentley view

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