CVE-2021-29040: Liferay Digital Experience Platform

Medium severity, CVSS 5.3. EPSS: 1.1% chance of exploitation in the next 30 days.

The JSON web services in Liferay Portal 7.3.4 and earlier, and Liferay DXP 7.0 before fix pack 97, 7.1 before fix pack 20 and 7.2 before fix pack 10 may provide overly verbose error messages, which allows remote attackers to use the contents of error messages to help launch another, more focused attacks via crafted inputs.

Affected products

• Liferay Digital Experience Platform: before 7.0 (fixed in 7.0); version 7.0 only; version 7.1 only; version 7.2 only
• Liferay Liferay Portal: up to and including 7.3.4

Published 2021-05-16. Last modified 2026-07-09.