CVE:CVE-2020-15839
CNNVD:CNNVD-202009-1337
Liferay Portal和Liferay DXP都是美国Liferay公司的产品。Liferay Portal是一套基于J2EE的门户解决方案。该方案使用了EJB以及JMS等技术，并可作为Web发布和共享工作区、企业协作平台、社交网络等。Liferay DXP是一套数字化体验协作平台。
Liferay 存在安全漏洞。该漏洞源于未限制multipart/form-data POST，攻击者可利用该漏洞上传大文件。
solution:Upgrade liferay digital_experience_platform to a higher version than 7.1,7.1:fix_pack_1,7.1:fix_pack_10,7.1:fix_pack_11,7.1:fix_pack_12,7.1:fix_pack_13,7.1:fix_pack_14,7.1:fix_pack_15,7.1:fix_pack_16,7.1:fix_pack_17,7.1:fix_pack_2,7.1:fix_pack_3,7.1:fix_pack_4,7.1:fix_pack_5,7.1:fix_pack_6,7.1:fix_pack_7,7.1:fix_pack_8,7.1:fix_pack_9,7.1:sp1,7.2,7.2:fix_pack_1,7.2:fix_pack_2,7.2:fix_pack_3,7.2:fix_pack_4,7.2:fix_pack_5,and avoid the version 7.1,7.1:fix_pack_1,7.1:fix_pack_10,7.1:fix_pack_11,7.1:fix_pack_12,7.1:fix_pack_13,7.1:fix_pack_14,7.1:fix_pack_15,7.1:fix_pack_16,7.1:fix_pack_17,7.1:fix_pack_2,7.1:fix_pack_3,7.1:fix_pack_4,7.1:fix_pack_5,7.1:fix_pack_6,7.1:fix_pack_7,7.1:fix_pack_8,7.1:fix_pack_9,7.1:sp1,7.2,7.2:fix_pack_1,7.2:fix_pack_2,7.2:fix_pack_3,7.2:fix_pack_4,7.2:fix_pack_5; Upgrade liferay liferay_portal to a higher version than 7.3.3,and avoid the version (,7.3.3)