Security readout for executives and security teams
This CVE describes a crash condition in Advantech WebAccess/HMI Designer 2.1.9.31. The public record is sparse: it reports a user-mode write access violation in memcpy, but does not provide CVSS, CWE, confirmed impact, or vendor remediation details. Exposure is most likely limited to environments running Advantech WebAccess/HMI Designer 2.1.9.31. The CVE metadata does not populate affected CPEs or a product list, so inventory confirmation is required before scoping business risk. Treat this as an inventory and vendor-follow-up item, not an emergency based on current evidence. Escalate if affected systems are confirmed in sensitive OT workflows or vendor guidance indicates broader impact. Mitigation focus: Identify whether WebAccess/HMI Designer 2.1.9.31 exists in engineering environments.; Check Advantech guidance for fixed versions or vendor-recommended mitigations.; Restrict access to affected engineering workstations to trusted users..
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
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ATT&CK lookup starting points
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CVE-2019-16900 mapping review
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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
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.