Security readout for executives and security teams
Plain-English summary
CVE-2021-46641 affects Bentley View 10.15.0.75. A malicious design file or page could cause code execution when a user opens or visits it. This is not a network-only compromise; it depends on user interaction, but successful exploitation could give the attacker the user’s process privileges.
Executive priority
Prioritize remediation if Bentley View is used in engineering, construction, or design workflows that receive external files. The business risk is targeted compromise through routine file handling, not broad internet scanning. Lack of KEV evidence lowers emergency posture but not severity for exposed teams.
Technical view
The flaw is a CWE-125 out-of-bounds read in DGN file parsing, reported as ZDI-CAN-15513 and ZDI-22-228. Crafted file data can trigger a read past an allocated buffer and may allow arbitrary code execution in the current process. CVSS is 7.8 high with UI required and no privileges required.
Likely exposure
Exposure is limited to installations of Bentley View 10.15.0.75, especially where users open externally supplied design files or browse untrusted content. The source bundle does not identify other affected products or versions.
Exploitation context
The bundle states remote attackers can exploit the issue only with user interaction. It is not listed as CISA KEV in the provided data, and no cited source in the bundle confirms active exploitation in the wild.
Researcher notes
The source bundle has a naming inconsistency: it describes DGN parsing but also mentions crafted data in a DNG file. Do not expand affected scope beyond Bentley View 10.15.0.75 without vendor confirmation. Patch details are not included in the provided evidence.
Mitigation direction
- Check Bentley advisory BE-2021-0009 for vendor-supported remediation or upgrade guidance.
- Inventory Bentley View installations and prioritize version 10.15.0.75 for review.
- Restrict opening of untrusted DGN or related design files until remediated.
- Use endpoint controls to limit execution impact from document-handling applications.
- Educate users handling CAD/design files to treat unsolicited files as high risk.
Validation and detection
- Confirm whether Bentley View 10.15.0.75 exists on managed endpoints.
- Review software asset data for unsupported or unpatched Bentley View deployments.
- Check email, web, and file-transfer workflows for externally sourced design files.
- Verify vendor advisory status before claiming a specific patch or fixed version.
- Document compensating controls where immediate upgrade is not possible.
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-2021-46641 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
- High
- CVSS
- 7.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0009CVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-228/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.