CVE-2021-27040: Autodesk Advance Steel

Low severity, CVSS 3.3. EPSS: 2.7% chance of exploitation in the next 30 days.

A maliciously crafted DWG file can be forced to read beyond allocated boundaries when parsing the DWG file. This vulnerability can be exploited to execute arbitrary code.

Affected products

  • Autodesk Advance Steel: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Autocad: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Autocad Architecture: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, up to and including 2022.0.1
  • Autodesk Autocad Electrical: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Autocad Lt: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Autocad Map 3d: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Autocad Mechanical: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Autocad Mep: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Autocad Plant 3d: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Civil 3d: from 2019, before 2019.1.3 (fixed in 2019.1.3); from 2020, before 2020.1.4 (fixed in 2020.1.4); from 2021, before 2021.1.1 (fixed in 2021.1.1); from 2022, before 2022.0.1 (fixed in 2022.0.1)
  • Autodesk Dwg Trueview: from 2022, before 2022.1.1 (fixed in 2022.1.1)
  • Iconics GENESIS64: up to and including 10.97
  • Mitsubishielectric Mc WORKS64: up to and including 4.04e

Published 2021-06-25. Last modified 2026-06-17.