CVE-2024-23156: Autodesk AutoCAD · Out-of-bounds Write
Affects Autodesk AutoCADSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 35% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 25 Jun 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Autodesk AutoCAD | Affected
| Fixed in– |
AI-suggested
1. Monitor Autodesk’s official channels closely and apply security patches immediately once they become available to address CVE-2024-23156. 2. Implement strict file handling policies that restrict or scrutinize 3DM files received from untrusted or external sources. 3. Educate users, especially designers and engineers, about the risks of opening unsolicited or suspicious 3DM files and encourage verification of file origins. 4. Deploy endpoint detection and response (EDR) solutions capable of detecting anomalous behavior related to memory corruption or unusual AutoCAD process activity. 5. Use application whitelisting and sandboxing techniques to limit the impact of potential exploitation by isolating AutoCAD processes. 6. Integrate network-level controls to scan and filter incoming files, including 3DM files, for malicious content before delivery to end users. 7. Maintain regular backups of critical design files and project data to enable recovery in case of compromise or data corruption. 8. Collaborate with IT and security teams to conduct threat hunting focused on signs of exploitation attempts targeting AutoCAD environments. 9. Consider disabling or limiting AutoCAD’s ability to load external 3DM files temporarily in high-risk environments until patches are applied. 10. Review and update incident response plans to include scenarios involving AutoCAD exploitation and memory corruption attacks.
Description
A maliciously crafted 3DM file, when parsed in opennurbs.dll and ASMkern229A.dll through Autodesk applications, can lead to a memory corruption vulnerability by write access violation. This vulnerability, along with other vulnerabilities, can lead to code execution in the current process.