CVE-2019-17571

CRITICAL9.8EPSS 28.5%

Deserialization of Untrusted Data in Log4j

Published: 1/6/2020Modified: 11/8/2023
Also known as:GHSA-2qrg-x229-3v8qDEBIAN-CVE-2019-17571

Description

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`.

Affected packages (5)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1CRITICAL9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (115)