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CVE-2024-23120: Multiple Vulnerabilities in the Autodesk AutoCAD Desktop Software

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-22 · updated 2026-06-17
• Weakness: CWE-787

Description

A maliciously crafted STP and STEP file, when parsed in ASMIMPORT228A.dll and ASMIMPORT229A.dll through Autodesk AutoCAD, may force an Out-of-Bounds Write vulnerability. A malicious actor may leverage this vulnerability to cause a crash, cause data corruption, or execute arbitrary code in the context of the current process.

Affected products

• Autodesk Advance Steel: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1
• Autodesk AutoCAD: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1
• Autodesk AutoCAD Architecture: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1
• Autodesk AutoCAD Electrical: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1
• Autodesk AutoCAD MAP 3D: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1
• Autodesk AutoCAD Mechanical: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1
• Autodesk AutoCAD MEP: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1
• Autodesk AutoCAD Plant 3D: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1
• Autodesk Civil 3D: from 2021 before 2021.1.4; from 2022 before 2022.1.4; from 2023 before 2023.1.5; from 2024 before 2024.1.3; from 2025 before 2025.0.1 — fixed in 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3, 2025.0.1

How to fix

Upgrade to a fixed version: Autodesk Advance Steel 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3; Autodesk AutoCAD 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3; Autodesk AutoCAD Architecture 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3; Autodesk AutoCAD Electrical 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3; Autodesk AutoCAD MAP 3D 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3; Autodesk AutoCAD Mechanical 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3; Autodesk AutoCAD MEP 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3; Autodesk AutoCAD Plant 3D 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3; Autodesk Civil 3D 2021.1.4, 2022.1.4, 2023.1.5, 2024.1.3. Check the vendor advisory for mitigations.

References

• https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0002
• https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0004
• https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0009
• https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0002
• https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0004
• https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0009

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