Security readout for executives and security teams
Plain-English summary
Bentley View 10.15.0.75 can mishandle 3DS model files, allowing a crafted file or page to expose limited process memory. The victim must open malicious content, so this is not a wormable server issue. The CVE notes possible chaining with other flaws for code execution, but this record alone is rated low severity.
Executive priority
Treat as a targeted workstation risk, not an emergency. Prioritize organizations that exchange CAD/model files externally. Address through inventory, vendor guidance, and user/file-handling controls, especially where Bentley View is used on sensitive engineering workstations.
Technical view
The flaw is a CWE-125 out-of-bounds read in Bentley View 10.15.0.75 3DS parsing. It stems from insufficient validation of user-supplied data, causing reads past an allocated buffer. CVSS 3.0 is 3.3, local attack vector, low complexity, no privileges, user interaction required, confidentiality impact low, no integrity or availability impact.
Likely exposure
Exposure is most likely on workstations where Bentley View 10.15.0.75 is installed and users open externally supplied 3DS files or related malicious web content. The bundle does not identify other Bentley products or versions as affected.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. Exploitation requires user interaction. ZDI/CVE language says the issue could be combined with other vulnerabilities for arbitrary code execution, but no standalone exploit chain is established here.
Researcher notes
Do not generalize beyond Bentley View 10.15.0.75 from this bundle. The key condition is crafted 3DS parsing with user interaction. Patch details are not provided in the bundle, so remediation should be validated against Bentley’s advisory rather than assumed.
Mitigation direction
- Inventory Bentley View installations and identify version 10.15.0.75.
- Check Bentley advisory BE-2021-0004 for vendor remediation guidance.
- Avoid opening untrusted 3DS files in affected installations.
- Route externally supplied CAD files through established security review workflows.
- Consider removing or isolating affected installations until vendor guidance is applied.
Validation and detection
- Confirm whether Bentley View 10.15.0.75 exists on managed endpoints.
- Review CAD file handling workflows for untrusted 3DS inputs.
- Check endpoint logs for recent unexpected Bentley View file opens.
- Verify remediation status against Bentley advisory BE-2021-0004.
- Document any compensating controls for users handling external model files.
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.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution 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-2021-46623 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
- Low
- CVSS
- 3.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N1.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.3LowVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0004CVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-210/CVE 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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.