Security readout for executives and security teams
Plain-English summary
Bentley MicroStation CONNECT 10.16.0.80 can mishandle DWG files and expose limited sensitive information when a user opens a malicious file or page. The business risk is mainly targeted file-based compromise, not broad internet-scale exploitation.
Executive priority
Handle through normal vulnerability management unless MicroStation users regularly process untrusted CAD files. Prioritize engineering, architecture, and contractor-facing teams first.
Technical view
The flaw is a CWE-125 out-of-bounds read in DWG parsing caused by insufficient validation of user-supplied data. CVSS is 3.3 with user interaction required and low confidentiality impact. Sources note it could be combined with other vulnerabilities for arbitrary code execution.
Likely exposure
Exposure is limited to environments running Bentley MicroStation CONNECT 10.16.0.80, especially teams that receive external DWG files from contractors, clients, or public sources.
Exploitation context
The provided sources do not indicate active exploitation, and the CVE is not listed as KEV. Exploitation requires the target to visit a malicious page or open a malicious file.
Researcher notes
Evidence supports a file-parsing out-of-bounds read with confidentiality impact. The source text mentions possible chaining for code execution, but does not provide proof of exploitation or standalone code execution for this CVE.
Mitigation direction
- Inventory Bentley MicroStation CONNECT installations and identify version 10.16.0.80.
- Review Bentley advisory BE-2021-0010 for vendor-approved remediation.
- Apply Bentley-provided updates or mitigations where available.
- Limit opening DWG files from untrusted or unauthenticated sources.
- Route external CAD files through existing malware and content inspection controls.
Validation and detection
- Confirm whether MicroStation CONNECT 10.16.0.80 exists in the environment.
- Map business workflows that ingest DWG files from external parties.
- Check remediation status against Bentley BE-2021-0010.
- Verify user controls warn against opening unexpected DWG files.
- Review security telemetry for suspicious CAD file delivery patterns.
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-2021-46593 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-2021-0010CVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-180/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.