CVE-2018-4069: Sierra Wireless AirLink ES450 Firmware

High severity, CVSS 7.5. EPSS: 4.1% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists in the ACEManager authentication functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The ACEManager authentication functionality is done in plaintext XML to the web server. An attacker can listen to network traffic upstream from the device to capitalize on this vulnerability.

Affected products

• Sierra Wireless AirLink ES450 Firmware: version 4.9.3 only

Published 2019-05-06. Last modified 2026-06-17.