CVE-2022-40201 Memory corruption in MicroStation Connect

High 7.8 Published 6 Jan 2023 Updated 13 Feb 2025

An attacker can execute arbitrary code by tricking a user into opening a malformed DGN file in MicroStation Connect.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-40201?

CVE-2022-40201 is a high-severity memory corruption vulnerability in Bentley Microstation Connect, published on 6 Jan 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Bentley Systems MicroStation Connect versions

10.17.0.209 and prior are vulnerable to a Stack-Based Buffer Overflow when a malformed design (DGN) file is parsed. This may allow an attacker to execute arbitrary code.

Weakness: CWE-121

Which versions are affected by CVE-2022-40201?

It affects 1 product.

Products include Bentley Microstation Connect.

How do I fix CVE-2022-40201?

No fix has been published for CVE-2022-40201 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-40201 being exploited?

There is no known exploitation of CVE-2022-40201 in the wild and no public exploit code.

All Bentley Microstation Connect vulnerabilities

Sources

Also known as GHSA-5j3v-r3rh-6vh7.