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Vulnerability record · CVE-2021-40164 · published 7 October 2022

CVE-2021-40164: Autodesk autocad out-of-bounds write vulnerability

Autodesk · Autocad

A heap-based buffer overflow could occur while parsing TIFF, PICT, TGA, or RLC files. This vulnerability may be exploited to execute arbitrary code.

7.8 CVSS 3.1 High EPSS 0.94% · top 40.6% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score
0.94%EPSS exploitation probability, 30 days
NoNot in CISA KEV
19Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A heap-based buffer overflow could occur while parsing TIFF, PICT, TGA, or RLC files. This vulnerability may be exploited to execute arbitrary code.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

19 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0011 Vendor Advisory
https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0011 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-29074Autodesk autocad out-of-bounds write vulnerabilityA maliciously crafted CATPART file when parsed through Autodesk AutoCAD 2024 and 2023 can be used to cause an Out-Of-Bounds Write. A malicious actor …EPSS 1.1%9.8CVE-2023-29075Autodesk autocad out-of-bounds write vulnerabilityA maliciously crafted PRT file when parsed through Autodesk AutoCAD 2024 and 2023 can be used to cause an Out-Of-Bounds Write. A malicious actor can …EPSS 1.1%9.8CVE-2023-29076Autodesk autocad memory buffer overflow vulnerabilityA maliciously crafted MODEL, SLDASM, SAT or CATPART file when parsed through Autodesk AutoCAD 2024 and 2023 could cause memory corruption vulnerabili…EPSS 1.1%9.8CVE-2023-29073Autodesk autocad heap-based buffer overflow vulnerabilityA maliciously crafted MODEL file when parsed through Autodesk AutoCAD 2024 and 2023 can be used to cause a Heap-Based Buffer Overflow. A malicious ac…EPSS 1.1%7.8CVE-2026-7406Autodesk advance steel vulnerabilityA maliciously crafted BMP file, when parsed through certain Autodesk products, can force a Untrusted Pointer Dereference vulnerability. A malicious a…EPSS 0.19%7.8CVE-2026-16463Autodesk advance steel heap-based buffer overflow vulnerabilityA maliciously crafted DXF file, when parsed through Autodesk AutoCAD, can force a Heap-Based Overflow vulnerability. A malicious actor can leverage t…EPSS 0.28%7.8CVE-2025-8893Autodesk revit out-of-bounds write vulnerabilityA maliciously crafted PDF file, when parsed through certain Autodesk products, can force an Out-of-Bounds Write vulnerability. A malicious actor may …EPSS 0.17%7.8CVE-2025-8894Autodesk autocad plant 3d heap-based buffer overflow vulnerabilityA maliciously crafted PDF file, when parsed through certain Autodesk products, can force a Heap-Based Overflow vulnerability. A malicious actor can l…EPSS 0.17%

Source: NIST National Vulnerability Database (record CVE-2021-40164), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.