CVE-2021-42635: Printerlogic Web Stack

High severity, CVSS 8.1. EPSS: 5.6% chance of exploitation in the next 30 days.

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below use a hardcoded APP_KEY value, leading to pre-auth remote code execution.

Affected products

  • Printerlogic Web Stack: before 19.1.1.13 (fixed in 19.1.1.13); version 19.1.1.13 only

Published 2022-01-31. Last modified 2026-07-09.