CVE-2021-27042
HIGHCVSS 7.8/10EPSS 1.80%
Last modified
CVE-2021-27042 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A maliciously crafted DWG file can be used to write beyond the allocated buffer while parsing DWG files. The vulnerability exists because the application fails to handle a crafted DWG file, which causes an unhandled exception. EPSS estimates a 1.80% chance of exploitation in the next 30 days.
Description
A maliciously crafted DWG file can be used to write beyond the allocated buffer while parsing DWG files. The vulnerability exists because the application fails to handle a crafted DWG file, which causes an unhandled exception. An attacker can leverage this vulnerability to execute arbitrary code.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27042?
A maliciously crafted DWG file can be used to write beyond the allocated buffer while parsing DWG files. The vulnerability exists because the application fails to handle a crafted DWG file, which causes an unhandled exception. An attacker can leverage this vulnerability to execute arbitrary code.
How severe is CVE-2021-27042?
CVE-2021-27042 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27042?
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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Are you affected by CVE-2021-27042?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST