CVE-2021-27040
LOWCVSS 3.3/10EPSS 2.74%
Last modified
CVE-2021-27040 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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.. EPSS estimates a 2.74% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Autodesk | Advance Steel | >= 2019, < 2019.1.3 |
| Autodesk | Advance Steel | >= 2020, < 2020.1.4 |
| Autodesk | Advance Steel | >= 2021, < 2021.1.1 |
| Autodesk | Advance Steel | >= 2022, < 2022.0.1 |
| Autodesk | Autocad | >= 2019, < 2019.1.3 |
| Autodesk | Autocad | >= 2020, < 2020.1.4 |
| Autodesk | Autocad | >= 2021, < 2021.1.1 |
| Autodesk | Autocad | >= 2022, < 2022.0.1 |
| Autodesk | Autocad Architecture | >= 2019, < 2019.1.3 |
| Autodesk | Autocad Architecture | >= 2020, < 2020.1.4 |
| Autodesk | Autocad Architecture | >= 2021, < 2021.1.1 |
| Autodesk | Autocad Architecture | >= 2022, <= 2022.0.1 |
| Autodesk | Autocad Electrical | >= 2019, < 2019.1.3 |
| Autodesk | Autocad Electrical | >= 2020, < 2020.1.4 |
| Autodesk | Autocad Electrical | >= 2021, < 2021.1.1 |
| Autodesk | Autocad Electrical | >= 2022, < 2022.0.1 |
| Autodesk | Autocad Lt | >= 2019, < 2019.1.3 |
| Autodesk | Autocad Lt | >= 2020, < 2020.1.4 |
| Autodesk | Autocad Lt | >= 2021, < 2021.1.1 |
| Autodesk | Autocad Lt | >= 2022, < 2022.0.1 |
| Autodesk | Autocad Map 3d | >= 2019, < 2019.1.3 |
| Autodesk | Autocad Map 3d | >= 2020, < 2020.1.4 |
| Autodesk | Autocad Map 3d | >= 2021, < 2021.1.1 |
| Autodesk | Autocad Map 3d | >= 2022, < 2022.0.1 |
| Autodesk | Autocad Mechanical | >= 2019, < 2019.1.3 |
| Autodesk | Autocad Mechanical | >= 2020, < 2020.1.4 |
| Autodesk | Autocad Mechanical | >= 2021, < 2021.1.1 |
| Autodesk | Autocad Mechanical | >= 2022, < 2022.0.1 |
| Autodesk | Autocad Mep | >= 2019, < 2019.1.3 |
| Autodesk | Autocad Mep | >= 2020, < 2020.1.4 |
| Autodesk | Autocad Mep | >= 2021, < 2021.1.1 |
| Autodesk | Autocad Mep | >= 2022, < 2022.0.1 |
| Autodesk | Autocad Plant 3d | >= 2019, < 2019.1.3 |
| Autodesk | Autocad Plant 3d | >= 2020, < 2020.1.4 |
| Autodesk | Autocad Plant 3d | >= 2021, < 2021.1.1 |
| Autodesk | Autocad Plant 3d | >= 2022, < 2022.0.1 |
| Autodesk | Civil 3d | >= 2019, < 2019.1.3 |
| Autodesk | Civil 3d | >= 2020, < 2020.1.4 |
| Autodesk | Civil 3d | >= 2021, < 2021.1.1 |
| Autodesk | Civil 3d | >= 2022, < 2022.0.1 |
| Autodesk | Dwg Trueview | >= 2022, < 2022.1.1 |
| Iconics | Genesis64 | <= 10.97 |
| Mitsubishielectric | Mc Works64 | <= 4.04e |
References
- https://www.zerodayinitiative.com/advisories/ZDI-21-1236/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-1238/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-378/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-473/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-1236/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-1238/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-378/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-473/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27040?
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.
How severe is CVE-2021-27040?
CVE-2021-27040 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 2.74% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27040?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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