CVE-2023-33265
No exploitation reported by the sources we read.
- Published2023-07-18
- Fixed in5.2.4 · 5.1.7 · 5.0.5
- WeaknessCWE-862
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
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.
Timeline
dates in UTC- 2023-07-1816:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-33265?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-33265?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD · OSV| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.2 | ≥ 5.2.0, < 5.2.4 | 5.2.4 | NVD · OSV |
| 5.1 | ≥ 5.1.0, < 5.1.7 | 5.1.7 | NVD · OSV |
| 5.0 | ≥ 5.0.0, < 5.0.5 | 5.0.5 | NVD |
| 5.0 | < 5.0.5 | 5.0.5 | OSV |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 4.2 | ≤ 4.2.8 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Hazelcast to 5.2.4 · 5.1.7 · 5.0.5
Advisories and patches
- support.hazelcast.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 2023-07-18
- Last Modified
- 2026-06-17
- NVD status
- Analyzed
Frequently asked questions
What is CVE-2023-33265?
Is CVE-2023-33265 actively exploited?
What is the CVSS score for CVE-2023-33265?
Running hazelcast? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.