How severe is CVE-2021-40159?

CVE-2021-40159 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-2021-40159 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40159?

CVE-2021-40159 primarily affects Autodesk Advance Steel. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-40159?

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-2021-40159 published?

CVE-2021-40159 was published on 2022-01-25 and last updated on 2026-06-17.

CVE-2021-40159

CVE-2021-40159 is a high-severity vulnerability in Autodesk Advance Steel 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Autodesk Advance Steel
Published: 2022-01-25
Last modified: 2026-06-17

Description

An Information Disclosure vulnerability for JT files in Autodesk Inventor 2022, 2021, 2020, 2019 in conjunction with other vulnerabilities may lead to code execution through maliciously crafted JT files in the context of the current process.

Frequently asked questions

What is CVE-2021-40159?: An Information Disclosure vulnerability for JT files in Autodesk Inventor 2022, 2021, 2020, 2019 in conjunction with other vulnerabilities may lead to code execution through maliciously crafted JT files in the context of the current process.
How severe is CVE-2021-40159?: CVE-2021-40159 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-2021-40159 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40159?: CVE-2021-40159 primarily affects Autodesk Advance Steel. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-40159?: 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-2021-40159 published?: CVE-2021-40159 was published on 2022-01-25 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:inventor:2019:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:inventor:2020:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:inventor:2021:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:inventor:2022:*:*:*:*:*:*:*

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