Auth bypass in Hazelcast
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.
Vulnerability class: Broken Authentication
EPSS: 0.016 (72.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hazelcast
- Hazelcast Jet
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-26168?
- CVE-2020-26168 is a critical-severity vulnerability in Hazelcast, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-11-09.
- How severe is CVE-2020-26168?
- Critical severity. CVSS v3 base score is 9.8 out of 10.