The redirect module in Liferay Portal before 7.3.3 does not limit the number of URLs resulting in a 404 error that is recorded, which allows remote attackers to perform a denial of service attack by making repeated requests for pages that do not exist.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24554
Reference (s):
- https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784956
- https://portal.liferay.dev/learn/security/known-vulnerabilities