CVE-2017-5142: Honeywell Xl Web Ii Controller

Critical severity, CVSS 9.1. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-1-02-08 and prior. A user with low privileges is able to open and change the parameters by accessing a specific URL because of Improper Privilege Management.

Affected products

• Honeywell Xl Web Ii Controller: version xlwebexe-1-02-08 only; version xlwebexe-2-01-00 only

Published 2017-02-13. Last modified 2026-06-17.