The Struts 1 plugin used with 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.
{
"nvd_published_at": "2017-07-10T16:29:00Z",
"cwe_ids": [
"CWE-20"
],
"severity": "CRITICAL",
"github_reviewed_at": "2022-11-03T19:11:53Z",
"github_reviewed": true
}