An unauthenticated specially crafted packet sent by an...
High severity
Unreviewed
Published
May 24, 2022
to the GitHub Advisory Database
•
Updated Jan 29, 2023
Description
Published by the National Vulnerability Database
Feb 9, 2021
Published to the GitHub Advisory Database
May 24, 2022
Last updated
Jan 29, 2023
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.
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