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…
Priority LOW 34CWE-922Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-922.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00518 44th percentileScored 2026-11-07
Fix Fixed com.hazelcast:hazelcast (Maven): 5.2.5, 5.3.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | com.hazelcast:hazelcast (Maven) | up to 4.1.10 | — | No fix listed | GHSA-xh6m-7cr7-xx66 |
| — | com.hazelcast:hazelcast (Maven) | 4.2 – 4.2.8 | — | No fix listed | GHSA-xh6m-7cr7-xx66 |
| — | com.hazelcast:hazelcast (Maven) | 5.0 – 5.0.5 | — | No fix listed | GHSA-xh6m-7cr7-xx66 |
| — | com.hazelcast:hazelcast (Maven) | 5.1 – 5.1.7 | — | No fix listed | GHSA-xh6m-7cr7-xx66 |
| — | com.hazelcast:hazelcast (Maven) | 5.2.0 to before 5.2.5 | 5.2.5 | Patch available | GHSA-xh6m-7cr7-xx66 |
| — | com.hazelcast:hazelcast (Maven) | 5.3.0 to before 5.3.5 | 5.3.5 | Patch available | GHSA-xh6m-7cr7-xx66 |
| — | com.hazelcast:hazelcast-all (Maven) | up to 4.1.10 | — | No fix listed | GHSA-xh6m-7cr7-xx66 |
| — | com.hazelcast:hazelcast-all (Maven) | 4.2 – 4.2.8 | — | No fix listed | GHSA-xh6m-7cr7-xx66 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- com.hazelcast:hazelcast (Maven) Vendor— Affected up to 4.1.10 Fixed in — No fix listed GHSA-xh6m-7cr7-xx66
- com.hazelcast:hazelcast (Maven) Vendor— Affected 4.2 – 4.2.8 Fixed in — No fix listed GHSA-xh6m-7cr7-xx66
- com.hazelcast:hazelcast (Maven) Vendor— Affected 5.0 – 5.0.5 Fixed in — No fix listed GHSA-xh6m-7cr7-xx66
- com.hazelcast:hazelcast (Maven) Vendor— Affected 5.1 – 5.1.7 Fixed in — No fix listed GHSA-xh6m-7cr7-xx66
- com.hazelcast:hazelcast (Maven) Vendor— Affected 5.2.0 to before 5.2.5 Fixed in 5.2.5 Patch available GHSA-xh6m-7cr7-xx66
- com.hazelcast:hazelcast (Maven) Vendor— Affected 5.3.0 to before 5.3.5 Fixed in 5.3.5 Patch available GHSA-xh6m-7cr7-xx66
- com.hazelcast:hazelcast-all (Maven) Vendor— Affected up to 4.1.10 Fixed in — No fix listed GHSA-xh6m-7cr7-xx66
- com.hazelcast:hazelcast-all (Maven) Vendor— Affected 4.2 – 4.2.8 Fixed in — No fix listed GHSA-xh6m-7cr7-xx66
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hazelcast:hazelcast:*:*:*:*:*:*:*:* | up to 4.1.10; 4.2.0 – 4.2.8; 5.0.0 – 5.0.5; 5.1.0 – 5.1.7; 5.2.0 to before 5.2.5; 5.3.0 to before 5.3.5 | Vulnerable | hazelcast |
- cpe:2.3:a:hazelcast:hazelcast:*:*:*:*:*:*:*:* Versions up to 4.1.10; 4.2.0 – 4.2.8; 5.0.0 – 5.0.5; 5.1.0 – 5.1.7; 5.2.0 to before 5.2.5; 5.3.0 to before 5.3.5 Vulnerable ·hazelcast
Remediation
- Fix · GHSA-xh6m-7cr7-xx66 com.hazelcast:hazelcast (Maven) Fixed in 5.2.5 Advisory →
- Fix · GHSA-xh6m-7cr7-xx66 com.hazelcast:hazelcast (Maven) Fixed in 5.3.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-45859
- 2026-10-03 Alias added: GHSA-xh6m-7cr7-xx66
References
More Hazelcast vulnerabilities
- TI-2022-16762 The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated… CVSS 3.1CRITICAL 9.1
- TI-2022-00199 Improper Restriction of XML External Entity Reference in hazelcast/hazelcast CVSS 3.1CRITICAL 9.8
- TI-2020-16001 The LDAP authentication method in LdapLoginModule in Hazelcast IMDG Enterprise 4.x before… CVSS 3.1CRITICAL 9.8
- TI-2016-08788 In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code… CVSS 3.0HIGH 8.1
- TI-2023-16430 In Hazelcast through 5.0.4, 5.1 through 5.1.6, and 5.2 through 5.2.3, executor services… CVSS 3.1HIGH 8.8
- TI-2023-24617 In Hazelcast Platform through 5.3.4, a security issue exists within the SQL mapping for… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-45859 · CVE Program
- CVE-2023-45859 · NVD
- FIRST EPSS
- GHSA-xh6m-7cr7-xx66 · GitHub Advisory Database · CC BY 4.0
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