Hessian serialization is a network protocol that supports object-based transmission. Apache Cayenne’s optional Remote Object Persistence (ROP) feature is a web services-based technology that provides object persistence and query functionality to ‘remote’ applications. In Apache Cayenne 4.1 and earlier, running on non-current patch versions of Java, an attacker with client access to Cayenne ROP can transmit a malicious payload to any vulnerable third-party dependency on the server. This can result in arbitrary code execution.
[
{
"product": "Apache Cayenne",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThanOrEqual": "4.1",
"status": "affected",
"version": "4.1",
"versionType": "custom"
}
]
}
]