How severe is CVE-2022-40201?

CVE-2022-40201 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40201 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40201?

CVE-2022-40201 affects Bentley Microstation Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40201?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-40201 published?

CVE-2022-40201 was published on 2023-01-06 and last updated on 2026-06-17.

CVE-2022-40201

CVE-2022-40201 is a high-severity vulnerability in Bentley Microstation Connect with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-121
Affected product: Bentley Microstation Connect
Published: 2023-01-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-40201?: 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.
How severe is CVE-2022-40201?: CVE-2022-40201 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40201 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40201?: CVE-2022-40201 affects Bentley Microstation Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40201?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40201 published?: CVE-2022-40201 was published on 2023-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bentley:microstation_connect:*:*:*:*:*:*:*:*

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