MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) uses a NULL pointer in certain situations. which could allow an attacker to crash the server.
The product dereferences a pointer that it expects to be valid but is NULL.
Link | Tags |
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https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01 | third party advisory us government resource |