CVE-2021-22288: Abb PNI800 Firmware

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Improper Input Validation vulnerability in the ABB SPIET800 and PNI800 module allows an attacker to cause the denial of service or make the module unresponsive.

Affected products

• Abb PNI800 Firmware: up to and including a_b
• Abb SPIET800 Firmware: up to and including a_b

Published 2022-02-04. Last modified 2026-06-17.