CVE-2020-15842: Liferay Digital Experience Platform

High severity, CVSS 8.1. EPSS: 1.8% chance of exploitation in the next 30 days.

Liferay Portal before 7.3.0, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5, allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization.

Affected products

• Liferay Digital Experience Platform: version 7.0 only; version 7.1 only; version 7.2 only
• Liferay Liferay Portal: before 7.3.0 (fixed in 7.3.0)

Published 2020-07-20. Last modified 2026-06-17.