Vulnerability in Hazelcast
CVE-2022-36437
The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated attacker to access and manipulate data in the cluster with the identity of another already authenticated connection. The affected Hazelcast versions are through 4.0.6, 4.1.9, 4.2.5, 5.0.3, and 5.1.2. The affected Hazelcast Jet versions are through 4.5.3.
EPSS: 0.010 (59.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Hazelcast
- Hazelcast Hazelcast-jet
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-36437?
- CVE-2022-36437 is a critical-severity vulnerability in Hazelcast, classified under Session Fixation. CVSS score: 9.1/10. Published 2022-12-29.
- How severe is CVE-2022-36437?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2022-36437 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.