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

The security advisories on this page is for Liferay's open source projects (e.g., Liferay Portal). Security advisories for Liferay's enterprise offerings (e.g., Liferay DXP) are available in Help Center.