Vulnerability Details CVE-2020-26168
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 74.2%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://docs.hazelcast.org/docs/ern/index.html#4-0-3
- https://hazelcast.zendesk.com/hc/en-us/articles/360050161951--IMDG-Enterprise-4-0-4-0-1-4-0-2-LDAP-Authentication-Bypass
- https://hazelcast.zendesk.com/hc/en-us/articles/360051384932--JET-Enterprise-4-0-4-1-4-1-1-4-2-LDAP-Authentication-Bypass
- https://jet-start.sh/blog/2020/10/23/jet-43-is-released
- https://docs.hazelcast.org/docs/ern/index.html#4-0-3
- https://hazelcast.zendesk.com/hc/en-us/articles/360050161951--IMDG-Enterprise-4-0-4-0-1-4-0-2-LDAP-Authentication-Bypass
- https://hazelcast.zendesk.com/hc/en-us/articles/360051384932--JET-Enterprise-4-0-4-1-4-1-1-4-2-LDAP-Authentication-Bypass
- https://jet-start.sh/blog/2020/10/23/jet-43-is-released
Products affected by CVE-2020-26168
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cpe:2.3:a:hazelcast:hazelcast:4.0
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cpe:2.3:a:hazelcast:hazelcast:4.0.0
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cpe:2.3:a:hazelcast:hazelcast:4.0.1
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cpe:2.3:a:hazelcast:hazelcast:4.0.2
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cpe:2.3:a:hazelcast:jet:*