Abb: >> Ac500 Cpu Firmware >> 2.8.4 Security Vulnerabilities
Improper Input Validation vulnerability in ABB AC500 V2 PM5xx allows Client-Server Protocol Manipulation.This issue affects AC500 V2: from 2.0.0 before 2.8.6.
CVSS Score
5.3
EPSS Score
0.001
Published
2023-03-31
An unauthenticated specially crafted packet sent by an attacker over the network will cause a denial-of-service (DoS) vulnerability. Vulnerability allows attacker to stop the PLC. After stopping (ERR LED flashing red), physical access to the PLC is required in order to restart the application. This issue affects: ABB AC500 V2 products with onboard Ethernet version 2.8.4 and prior versions.
CVSS Score
8.6
EPSS Score
0.008
Published
2021-02-09