The Struts 1 plugin in Apache Struts 2.1.x and 2.3.x might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.
[
{
"product": "Apache Struts",
"vendor": "Apache Software Foundation",
"versions": [
{
"status": "affected",
"version": "2.1.x series"
},
{
"status": "affected",
"version": "2.3.x series"
}
]
}
]