{"id":"CVE-2020-26168","aliases":["EUVD-2020-18793","GHSA-whg4-vj5j-j9x2"],"status":"published","title":"The LDAP authentication method in LdapLoginModule in Hazelcast IMDG Enterprise 4.x before 4.0.3,...","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01596,"percentile":0.76053,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2020-11-09T21:28:39Z","modified":"2026-10-24T10:30:33Z","products":[{"vendor":"hazelcast","product":"hazelcast"},{"vendor":"hazelcast","product":"jet"}],"references":[{"url":"https://docs.hazelcast.org/docs/ern/index.html#4-0-3","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"https://jet-start.sh/blog/2020/10/23/jet-43-is-released","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://hazelcast.zendesk.com/hc/en-us/articles/360050161951--IMDG-Enterprise-4-0-4-0-1-4-0-2-LDAP-Authentication-Bypass","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","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","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26168"},{"url":"https://github.com/advisories/GHSA-whg4-vj5j-j9x2"}],"sources":{"cve":[{"id":"CVE-2020-26168","description":"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.","status":"published","published":"2020-11-09T21:28:39Z","modified":"2024-08-04T15:49:07.227Z","updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2020-18793","description":"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.","status":"published","published":"2020-11-09T21:28:39Z","modified":"2024-08-04T15:49:07Z","updated_at":"2026-11-03T03:07:15.778249Z"}],"ghsa":[{"id":"GHSA-whg4-vj5j-j9x2","title":"The LDAP authentication method in LdapLoginModule in Hazelcast IMDG Enterprise 4.x before 4.0.3,...","description":"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.","status":"published","published":"2022-05-24T17:33:58Z","modified":"2023-01-29T05:04:27Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:45:33.67375Z"}],"nvd":[{"id":"CVE-2020-26168","description":"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.","status":"published","published":"2020-11-09T22:15:13.257Z","modified":"2026-06-17T03:07:44.863Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:24.137599Z"}],"osv":[{"id":"CVE-2020-26168","description":"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.","status":"published","published":"2020-11-09T22:15:13.257Z","modified":"2026-10-24T10:30:33.599337967Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:15.879068Z"}]}}