# CVE-2022-36437: Hazelcast connection caching

Source: https://junglewise.ai/threats/cve-2022-36437-hazelcast-connection-caching  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-12-27  
License: CC BY 4.0 with a link back

CVE-2022-36437 · Severity: low · CVSS 3.1 · Published 2022-12-27

Hazelcast connection caching

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

## Quick answers

**Is CVE-2022-36437 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-36437 being exploited in the wild.

**How severe is CVE-2022-36437?** Low severity, with a CVSS score of 3.1, published 27 December 2022.

**Which products and versions are affected?** com.hazelcast:hazelcast (Maven) ECOSYSTEM:introduced=0,fixed=3.12.13; com.hazelcast:hazelcast-enterprise (Maven) ECOSYSTEM:introduced=0,fixed=3.12.13; com.hazelcast.jet:hazelcast-jet (Maven) ECOSYSTEM:introduced=0,fixed=4.5.4; com.hazelcast.jet:hazelcast-jet-enterprise (Maven) ECOSYSTEM:introduced=0,fixed=4.5.4.

**Is there a fix for CVE-2022-36437?** Yes. com.hazelcast:hazelcast (Maven): upgrade to 3.12.13 or later; com.hazelcast:hazelcast-enterprise (Maven): upgrade to 3.12.13 or later; com.hazelcast.jet:hazelcast-jet (Maven): upgrade to 4.5.4 or later; com.hazelcast.jet:hazelcast-jet-enterprise (Maven): upgrade to 4.5.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2022-36437?** Check whether you run com.hazelcast:hazelcast (Maven), com.hazelcast:hazelcast-enterprise (Maven), com.hazelcast.jet:hazelcast-jet (Maven) or one of the others listed 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.

## How to fix

- com.hazelcast:hazelcast (Maven): upgrade to 3.12.13 or later

  ```sh
  # set com.hazelcast:hazelcast to 3.12.13 in your pom.xml or build.gradle
  ```

- com.hazelcast:hazelcast-enterprise (Maven): upgrade to 3.12.13 or later

  ```sh
  # set com.hazelcast:hazelcast-enterprise to 3.12.13 in your pom.xml or build.gradle
  ```

- com.hazelcast.jet:hazelcast-jet (Maven): upgrade to 4.5.4 or later

  ```sh
  # set com.hazelcast.jet:hazelcast-jet to 4.5.4 in your pom.xml or build.gradle
  ```

- com.hazelcast.jet:hazelcast-jet-enterprise (Maven): upgrade to 4.5.4 or later

  ```sh
  # set com.hazelcast.jet:hazelcast-jet-enterprise to 4.5.4 in your pom.xml or build.gradle
  ```


## Affected products

- com.hazelcast:hazelcast (Maven) ECOSYSTEM:introduced=0,fixed=3.12.13
- com.hazelcast:hazelcast-enterprise (Maven) ECOSYSTEM:introduced=0,fixed=3.12.13
- com.hazelcast.jet:hazelcast-jet (Maven) ECOSYSTEM:introduced=0,fixed=4.5.4
- com.hazelcast.jet:hazelcast-jet-enterprise (Maven) ECOSYSTEM:introduced=0,fixed=4.5.4

## Identifiers

- CVE-2022-36437
- GHSA-c5hg-mr8r-f6jp

## Related threats

- [Missing permission checks on Hazelcast client protocol](https://junglewise.ai/threats/cve-2023-45859-missing-permission-checks-on-hazelcast-client-protocol)
- [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)
- [Deserialization of Untrusted Data in Hazelcast](https://junglewise.ai/threats/cve-2016-10750-deserialization-of-untrusted-data-in-hazelcast)