CVE-2021-40156

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-15 · updated 2026-06-17
Weakness: CWE-787

Description

A maliciously crafted DWG file in Autodesk Navisworks 2019, 2020, 2021, 2022 can be forced to write beyond allocated boundaries when parsing the DWG files. This vulnerability can be exploited to execute arbitrary code.

Affected products

Autodesk Navisworks: 2019, 2020, 2021, 2022

References

https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0009
https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0009

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