# CVE-2022-33683: Apache Pulsar Brokers and Proxies vulnerable to Improper Certificate Validation

Source: https://junglewise.ai/threats/cve-2022-33683-apache-pulsar-brokers-and-proxies-vulnerable-to-improper  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-09-25  
License: CC BY 4.0 with a link back

CVE-2022-33683 · Severity: low · CVSS 3.1 · Published 2022-09-25

Apache Pulsar Brokers and Proxies vulnerable to Improper Certificate Validation

Technologies: [org.apache.pulsar:pulsar-broker (Maven)](https://junglewise.ai/threats/technologies/org-apache-pulsar-pulsar-broker), [org.apache.pulsar:pulsar-proxy (Maven)](https://junglewise.ai/threats/technologies/org-apache-pulsar-pulsar-proxy). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2022-33683 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-33683 being exploited in the wild.

**How severe is CVE-2022-33683?** Low severity, with a CVSS score of 3.1, published 25 September 2022.

**Which products and versions are affected?** org.apache.pulsar:pulsar-broker (Maven) ECOSYSTEM:introduced=0,fixed=2.7.5; org.apache.pulsar:pulsar-proxy (Maven) ECOSYSTEM:introduced=0,fixed=2.7.5.

**Is there a fix for CVE-2022-33683?** Yes. org.apache.pulsar:pulsar-broker (Maven): upgrade to 2.7.5 or later; org.apache.pulsar:pulsar-proxy (Maven): upgrade to 2.7.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2022-33683?** Check whether you run org.apache.pulsar:pulsar-broker (Maven) or org.apache.pulsar:pulsar-proxy (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.

## How to fix

- org.apache.pulsar:pulsar-broker (Maven): upgrade to 2.7.5 or later

  ```sh
  # set org.apache.pulsar:pulsar-broker to 2.7.5 in your pom.xml or build.gradle
  ```

- org.apache.pulsar:pulsar-proxy (Maven): upgrade to 2.7.5 or later

  ```sh
  # set org.apache.pulsar:pulsar-proxy to 2.7.5 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.pulsar:pulsar-broker (Maven) ECOSYSTEM:introduced=0,fixed=2.7.5
- org.apache.pulsar:pulsar-proxy (Maven) ECOSYSTEM:introduced=0,fixed=2.7.5

## Identifiers

- CVE-2022-33683
- GHSA-j3qw-g67q-7m64

## Related threats

- [Apache Pulsar: Improper Authorization For Namespace and Topic Management Endpoints](https://junglewise.ai/threats/cve-2024-29834-apache-pulsar-improper-authorization-for-namespace-and-topic)
- [Apache Pulsar: Improper Authorization For Topic-Level Policy Management](https://junglewise.ai/threats/cve-2024-28098-apache-pulsar-improper-authorization-for-topic-level-policy)
- [Apache Pulsar: Improper Authentication for Pulsar Proxy Statistics Endpoint](https://junglewise.ai/threats/cve-2022-34321-apache-pulsar-improper-authentication-for-pulsar-proxy-statistics)
- [Apache Pulsar Broker Improper Authentication vulnerability](https://junglewise.ai/threats/cve-2023-31007-apache-pulsar-broker-improper-authentication-vulnerability)
- [Apache Pulsar Broker's Rest Producer vulnerable to Incorrect Authorization](https://junglewise.ai/threats/cve-2023-30428-apache-pulsar-broker-s-rest-producer-vulnerable-to-incorrect)
