The MessageBrokerServlet servlet in Moxa OnCell Central Manager before 2.2 does not require authentication, which allows remote attackers to obtain administrative access via a command, as demonstrated by the addUserAndGroup action.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Link | Tags |
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http://zerodayinitiative.com/advisories/ZDI-15-452/ | |
https://ics-cert.us-cert.gov/advisories/ICSA-15-328-01 | third party advisory us government resource |