FasterXML jackson-databind 2.x before 2.9.8 might allow attackers to have unspecified impact by leveraging failure to block the openjpa class from polymorphic deserialization.. A flaw was discovered in jackson-databind, where it would permit polymorphic deserialization of a malicious object using the OpenJPA class. An attacker could use this flaw to execute arbitrary code.
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– Scott Cheney, Manager of Information Security, Sierra View Medical Center