Security readout for executives and security teams
Plain-English summary
This flaw affects Autodesk FBX Review and relies on tricking a user into opening a malicious FBX file. If successful, it can run arbitrary code on that system. The provided sources do not include a CVSS score, CWE, or evidence of active exploitation.
Executive priority
Treat this as a targeted workstation risk, not an internet-facing emergency. Prioritize teams that open third-party 3D assets or FBX files, and close the exposure through vendor-approved updates or removal.
Technical view
CVE-2021-40157 is described as an Untrusted Pointer Dereference vulnerability in Autodesk FBX Review. A crafted FBX file can trigger code execution when opened by a user. The provided data is inconsistent on the version boundary, stating both version 1.5.0 and prior, and versions prior to 1.5.0.
Likely exposure
Exposure is likely limited to workstations where Autodesk FBX Review is installed, especially users handling FBX files from email, web downloads, vendors, or creative workflows.
Exploitation context
The attack requires social engineering or file delivery that convinces a user to open a malicious FBX file. CISA KEV status is false in the bundle, and no cited source shows active exploitation.
Researcher notes
The source bundle is sparse: no CVSS vector, CWE mapping, proof-of-concept status, or detailed patch text is provided. The version wording conflicts, so validation should rely on Autodesk’s advisory rather than assumptions from the CVE metadata alone.
Mitigation direction
- Review Autodesk advisory ADSK-SA-2021-0001 for official update guidance.
- Inventory endpoints for Autodesk FBX Review installations.
- Update or remove affected FBX Review installations per vendor guidance.
- Warn users not to open untrusted FBX files.
- Use endpoint controls to inspect or quarantine unexpected FBX attachments.
Validation and detection
- Check installed Autodesk FBX Review versions across managed endpoints.
- Confirm whether installed versions match Autodesk’s advisory scope.
- Review email and download telemetry for unexpected FBX files.
- Verify endpoint protection coverage for suspicious document-file execution.
- Document remediation status for systems retaining FBX Review.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-40157 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0001CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.