Vulnerability in Hazelcast

CVE-2023-45859

In Hazelcast through 4.1.10, 4.2 through 4.2.8, 5.0 through 5.0.5, 5.1 through 5.1.7, 5.2 through 5.2.4, and 5.3 through 5.3.2, some client operations don't check permissions properly, allowing authenticated users to access data stored in the cluster.

EPSS: 0.005 (40.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-45859?
CVE-2023-45859 is a high-severity vulnerability in Hazelcast, classified under CWE-922. CVSS score: 7.6/10. Published 2024-02-28.
How severe is CVE-2023-45859?
High severity. CVSS v3 base score is 7.6 out of 10.
Is CVE-2023-45859 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.