Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. This affects Log4j versions 1.2 up to 1.2.17.
Users are advised to migrate to org.apache.logging.log4j:log4j-core.
{
"github_reviewed": true,
"cwe_ids": [
"CWE-502"
],
"github_reviewed_at": "2019-12-27T22:02:37Z",
"nvd_published_at": "2019-12-20T17:15:00Z",
"severity": "CRITICAL"
}