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AutocadApplication · Autodesk

CVE-2024-8896

HIGH · 7.8 CVSS v3.1 Published 2024-10-29
Fix available
A fix is available. Upgrade to 2025.1.1 or later.
See remediation →
81/100
Remediation priority · High
No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A maliciously crafted DXF file when parsed in acdb25.dll through Autodesk AutoCAD can force to access a variable prior to initialization. A malicious actor can leverage this vulnerability to cause a crash, write sensitive data, or execute arbitrary code in the context of the current process.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

A vulnerability in acdb25.dll in Autodesk AutoCAD allows a specially crafted DXF file to force access to a variable prior to initialization, potentially leading to crash, sensitive data exposure, or arbitrary code execution in the current process context.

MitigationOrganizations should implement controls to block or validate DXF files from untrusted sources, and users should be trained to not open untrusted DXF files until Autodesk releases an official patch.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
AutocadApplication
Affected:>= 2025, < 2025.1.1
Autocad Advance SteelApplication
Affected:>= 2025, < 2025.1.1
Autocad ArchitectureApplication
Affected:>= 2025, < 2025.1.1
Autocad Civil 3dApplication
Affected:>= 2025, < 2025.1.1
Autocad ElectricalApplication
Affected:>= 2025, < 2025.1.1
Autocad LtApplication
Affected:>= 2025, < 2025.1.1
Autocad MechanicalApplication
Affected:>= 2025, < 2025.1.1
Autocad MepApplication
Affected:>= 2025, < 2025.1.1

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed AutoCAD product and version
    Open AutoCAD, go to Help > About AutoCAD, or run the VER command in the command line to retrieve the exact version number and product name (e.g., AutoCAD 2025, AutoCAD Architecture 2025, etc.)
    Affected if The product is one of AutoCAD, AutoCAD Advance Steel, AutoCAD Architecture, AutoCAD Civil 3D, AutoCAD Electrical, AutoCAD LT, AutoCAD Mechanical, or AutoCAD MEP, and the version is 2025.0 or any 2025.x version prior to 2025.1.1
  2. Locate and verify acdb25.dll version
    Navigate to the AutoCAD installation directory (typically C:\Program Files\Autodesk\AutoCAD 2025\) and locate acdb25.dll. Right-click the file, select Properties, and check the File Version field under the Details tab
    Affected if The DLL file version is present and matches a version released prior to the 2025.1.1 update, indicating the unpatched library is in use
  3. Confirm DXF file handling is in use
    Check if the user or environment frequently opens or imports DXF files, or review recent file access history for .dxf extensions in the AutoCAD workflow
    Affected if DXF files from untrusted or external sources are being opened, imported, or processed within the AutoCAD environment, which is the required attack vector for this vulnerability
  4. Check for recent security updates
    Run the AutoCAD UPDATE command or check Help > Check for Updates to see if version 2025.1.1 or later is available and installed
    Affected if No update to version 2025.1.1 or later has been applied, leaving the uninitialized variable vulnerability present in acdb25.dll

A user is affected if they have any of the listed AutoCAD 2025 products installed with a version lower than 2025.1.1 and process DXF files, as the vulnerability in acdb25.dll can be triggered by opening a specially crafted DXF file.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 2025.1.1 or later
Fixed in 2025.1.1
Interim mitigation

Organizations should implement controls to block or validate DXF files from untrusted sources, and users should be trained to not open untrusted DXF files until Autodesk releases an official patch.

Recommended fix High confidence

AutoCAD 2025.1.1 or later

  1. Ensure you have a complete backup of all critical drawing files and custom scripts
  2. Close any running instances of AutoCAD 2025 or related products
  3. Launch Autodesk Desktop App or open the Autodesk A360 desktop app if installed
  4. Navigate to the Updates or Updates & Add-ons section
  5. Check for available updates - look for AutoCAD 2025.1.1 or later
  6. Download and install the 2025.1.1 update or newer version
  7. After installation, restart your computer
  8. Launch AutoCAD 2025 and verify the version by typing 'ABOUT' or 'VER' in the command line to confirm version 2025.1.1 or later is installed
Caveat Standard update - review Autodesk release notes for any changes to custom scripts or third-party plugin compatibility

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Autocad Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
36.0 hours of engineering $6,400
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-8896 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data