The CMS800 device fails while attempting to parse malformed network data sent by a threat actor. A threat actor with network access can remotely issue a specially formatted UDP request that will cause the entire device to crash and require a physical reboot. A UDP broadcast request could be sent that causes a mass denial-of-service attack on all CME8000 devices connected to the same network.
Workaround:
The product does not properly control the allocation and maintenance of a limited resource.
Link | Tags |
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https://www.cisa.gov/uscert/ics/advisories/icsma-22-244-01 | us government resource third party advisory mitigation |