CVE-2020-28946: Plummac Ik-401 Firmware

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

An improper webserver configuration on Plum IK-401 devices with firmware before 1.02 allows an attacker (with network access to the device) to obtain the configuration file, including hashed credential data. Successful exploitation could allow access to hashed credential data with a single unauthenticated GET request.

Affected products

• Plummac Ik-401 Firmware: before 1.02 (fixed in 1.02)

Published 2020-12-08. Last modified 2026-06-17.