CVE-2017-9797

CVE-2017-9797 describes a vulnerability in Apache Geode clusters prior to version 1.2.1 operating in secure mode. An unauthenticated client can exploit this to enter multi-user authentication mode, potentially leaking application data type information and enabling a denial-of-service attack. This medium-severity vulnerability (CVSS 6.5) has a network attack vector and high attack complexity, primarily impacting confidentiality and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.