Out-of-bounds write in Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT, AutoCAD…
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
An Arbitrary Address Write issue in the Autodesk DWG application can allow a malicious user to leverage the application to write in unexpected paths. In order to exploit this the attacker would need the victim to enable full page heap in the application.
Why it matters now
EPSS 0.00876 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT, AutoCAD Architecture, AutoCAD Electrical, AutoCAD Map 3D, AutoCAD Mechanical, AutoCAD MEP, AutoCAD Plant 3D | 2022.1.1 | — | No fix listed | CNA |
- Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT, AutoCAD Architecture, AutoCAD Electrical, AutoCAD Map 3D, AutoCAD Mechanical, AutoCAD MEP, AutoCAD Plant 3D Vendor— Affected 2022.1.1 Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 – 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
| cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:* | 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 | Vulnerable | Autodesk |
- cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 – 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
- cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:* Versions 2019 to before 2019.1.3; 2020 to before 2020.1.4; 2021 to before 2021.1.1; 2022 to before 2022.0.1 Vulnerable ·Autodesk
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27043
- 2026-10-03 Alias added: GHSA-vwxh-hr5c-v523
References
More Autodesk Advance Steel vulnerabilities
- TI-2021-17340 Out-of-bounds read in Inventor CVSS 3.1HIGH 7.8
- TI-2021-17341 Information disclosure in Inventor CVSS 3.1HIGH 7.8
- TI-2022-09360 Out-of-bounds write in Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT, AutoCAD… CVSS 3.1HIGH 7.8
- TI-2024-15258 Multiple Vulnerabilities in the Autodesk AutoCAD Desktop Software CVSS 3.1HIGH 7.8
- TI-2021-08615 Improper handling of exceptional conditions in Autodesk Advanced Steel, Civil 3D… CVSS 3.1HIGH 7.8
- TI-2019-05247 Uncontrolled search path in Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT… CVSS 3.0HIGH 7.8
Sources
- CVE-2021-27043 · CVE Program
- CVE-2021-27043 · NVD
- FIRST EPSS
- GHSA-vwxh-hr5c-v523 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences