CVE-2021-38266 DoS vulnerability prevents LDAP users from authenticating

Description

The Portal Security module in Liferay Portal 7.2.1 and earlier does not correctly import users from LDAP, which allows remote attackers to prevent a legitimate user from authenticating by attempting to sign in as a user that exists in LDAP.

Severity

Severity 2

Fixed Version(s)

There is no fix available for Liferay Portal 7.1 and earlier. Please upgrade to Liferay Portal 7.3.

Publication date: Mon, 30 Aug 2021 16:00:00 +0000

Security advisories for Liferay's enterprise offerings (e.g., Liferay DXP) are only listed here since 2023. Historial advisories are availabe in the Help Center.