Liferay Portal Unauthenticated RCE

Liferay is a well-known Java-based CMS that we encounter sometimes during assessment. A remote code execution (RCE) vulnerability via JSON web services exists in Liferay Portal 7.2.0 and earlier (JSONWS) is because of the deserialization of Untrustworthy Data in Liferay Portal before version 7.2.1 CE GA2 Consequently, Via JSON web services, remote attackers can run arbitrary code.

Mitigation / Precaution

To remove this vulnerability, update your Liferay Portal application to the most recent version.

Written by

Anandhu Krishnan

Lead Engineer

Anandhu is an accomplished Senior Lead Engineer with a strong focus on back-end development. His expertise lies in architecting and optimizing the core of software applications to ensure they run smoothly and efficiently. With a meticulous attention to detail and a deep understanding of data management and server-side operations, Anandhu has been a driving force behind the success of various back-end projects.