In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.
{
"github_reviewed": true,
"cwe_ids": [
"CWE-502"
],
"github_reviewed_at": "2019-12-27T22:02:28Z",
"nvd_published_at": "2017-04-17T21:59:00Z",
"severity": "CRITICAL"
}