{"id":"CVE-2020-26168","details":"The LDAP authentication method in LdapLoginModule in Hazelcast IMDG Enterprise 4.x before 4.0.3, and Jet Enterprise 4.x through 4.2, doesn't verify properly the password in some system-user-dn scenarios. As a result, users (clients/members) can be authenticated even if they provide invalid passwords.","modified":"2026-04-10T04:26:30.686351Z","published":"2020-11-09T22:15:13.257Z","references":[{"type":"ADVISORY","url":"https://docs.hazelcast.org/docs/ern/index.html#4-0-3"},{"type":"ADVISORY","url":"https://hazelcast.zendesk.com/hc/en-us/articles/360050161951--IMDG-Enterprise-4-0-4-0-1-4-0-2-LDAP-Authentication-Bypass"},{"type":"ADVISORY","url":"https://hazelcast.zendesk.com/hc/en-us/articles/360051384932--JET-Enterprise-4-0-4-1-4-1-1-4-2-LDAP-Authentication-Bypass"},{"type":"ADVISORY","url":"https://jet-start.sh/blog/2020/10/23/jet-43-is-released"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hazelcast/hazelcast","events":[{"introduced":"8b959f580ab91d42c071eac142feb04c5acea72f"},{"fixed":"8b9f09b66347a008d0a58bb62010e95305586c7e"},{"introduced":"8b959f580ab91d42c071eac142feb04c5acea72f"},{"last_affected":"ba7949935d4765029611fa6729716825f87621c6"}],"database_specific":{"versions":[{"introduced":"4.0"},{"fixed":"4.0.3"},{"introduced":"4.0"},{"last_affected":"4.2"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26168.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}