Provide references for CVE-2020-15839.
Where can I find more information about CVE-2020-15839?
References are available at: https://portal.liferay.dev/learn/security/known-vulnerabilities, https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928, https://issues.liferay.com/browse/LPE-17029, https://issues.liferay.com/browse/LPE-17055.