# CVE-2023-45859: Missing permission checks on Hazelcast client protocol

Source: https://junglewise.ai/threats/cve-2023-45859-missing-permission-checks-on-hazelcast-client-protocol  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-02-27  
License: CC BY 4.0 with a link back

CVE-2023-45859 · Severity: low · CVSS 3.1 · Published 2024-02-27

Missing permission checks on Hazelcast client protocol

Technologies: [com.hazelcast:hazelcast (Maven)](https://junglewise.ai/threats/technologies/com-hazelcast-hazelcast). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2023-45859 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-45859 being exploited in the wild.

**How severe is CVE-2023-45859?** Low severity, with a CVSS score of 3.1, published 27 February 2024.

**Which products and versions are affected?** com.hazelcast:hazelcast (Maven) ECOSYSTEM:introduced=0,last_affected=4.1.10; com.hazelcast:hazelcast-all (Maven) ECOSYSTEM:introduced=0,last_affected=4.1.10.

**Is there a fix for CVE-2023-45859?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2023-45859?** Check whether you run com.hazelcast:hazelcast (Maven) or com.hazelcast:hazelcast-all (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- com.hazelcast:hazelcast (Maven) ECOSYSTEM:introduced=0,last_affected=4.1.10
- com.hazelcast:hazelcast-all (Maven) ECOSYSTEM:introduced=0,last_affected=4.1.10

## Identifiers

- CVE-2023-45859
- GHSA-xh6m-7cr7-xx66

## Related threats

- [Hazelcast Platform permission checking in CSV File Source connector](https://junglewise.ai/threats/cve-2023-45860-hazelcast-platform-permission-checking-in-csv-file-source)
- [Hazelcast Executor Services don't check client permissions properly](https://junglewise.ai/threats/cve-2023-33265-hazelcast-executor-services-don-t-check-client-permissions)
- [Hazelcast vulnerable to unmasked password exposure](https://junglewise.ai/threats/cve-2023-33264-hazelcast-vulnerable-to-unmasked-password-exposure)
- [Hazelcast connection caching](https://junglewise.ai/threats/cve-2022-36437-hazelcast-connection-caching)
- [Deserialization of Untrusted Data in Hazelcast](https://junglewise.ai/threats/cve-2016-10750-deserialization-of-untrusted-data-in-hazelcast)