CVE-2020-26168
CRITICALHazelcast IMDG Enterprise 4.0-4.0.2 and Jet Enterprise 4.0-4.2 - LDAP Authentication Bypass
Title source: llmDescription
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.
References (4)
Core 4
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://docs.hazelcast.org/docs/ern/index.html#4-0-3
Vendor Advisory x_refsource_misc
https://jet-start.sh/blog/2020/10/23/jet-43-is-released
Vendor Advisory x_refsource_confirm
https://hazelcast.zendesk.com/hc/en-us/articles/360050161951--IMDG-Enterprise-4-0-4-0-1-4-0-2-LDAP-Authentication-Bypass
Vendor Advisory x_refsource_confirm
https://hazelcast.zendesk.com/hc/en-us/articles/360051384932--JET-Enterprise-4-0-4-1-4-1-1-4-2-LDAP-Authentication-Bypass
Scores
CVSS v3
9.8
EPSS
0.0158
EPSS Percentile
72.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-287
Status
published
Products (2)
hazelcast/hazelcast
4.0 - 4.0.3
hazelcast/jet
4.0 - 4.2
Published
Nov 09, 2020
Tracked Since
Feb 18, 2026