Critical severity9.8NVD Advisory· Published Nov 9, 2020· Updated Jun 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Hazelcast/Hazelcast2 versions
cpe:2.3:a:hazelcast:hazelcast:*:*:*:*:enterprise:*:*:*+ 1 more
- cpe:2.3:a:hazelcast:hazelcast:*:*:*:*:enterprise:*:*:*range: >=4.0,<4.0.3
- (no CPE)range: <4.0.3
Hazelcast/Jet
cpe:2.3:a:hazelcast:jet:*:*:*:*:enterprise:*:*:*
Range: >=4.0,<=4.2
Hazelcast/IMDG Enterprisedescription
Jet/Jet Enterprisellm-create
Range: 4.x through 4.2

Patches

Vulnerability mechanics

References

docs.hazelcast.org/docs/ern/index.htmlnvdRelease NotesVendor Advisory
hazelcast.zendesk.com/hc/en-us/articles/360050161951--IMDG-Enterprise-4-0-4-0-1-4-0-2-LDAP-Authentication-BypassnvdVendor Advisory
hazelcast.zendesk.com/hc/en-us/articles/360051384932--JET-Enterprise-4-0-4-1-4-1-1-4-2-LDAP-Authentication-BypassnvdVendor Advisory
jet-start.sh/blog/2020/10/23/jet-43-is-releasednvdVendor Advisory

News mentions

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