Auth bypass in Hazelcast
CVE-2023-33265
In Hazelcast through 5.0.4, 5.1 through 5.1.6, and 5.2 through 5.2.3, executor services don't check client permissions properly, allowing authenticated users to execute tasks on members without the required permissions granted.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/hazelcast/hazelcast (Product)
- support.hazelcast.com/s/article/Security-Advisory-for-CVE-2023-33265 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-33265?
- CVE-2023-33265 is a high-severity vulnerability in Hazelcast, classified under Missing Authorization. CVSS score: 8.8/10. Published 2023-07-18.
- How severe is CVE-2023-33265?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-33265 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.