# CVE-2019-0223: Withdrawn Advisory: Improper Certificate Validation in Apache Qpid Proton

Source: https://junglewise.ai/threats/cve-2019-0223-withdrawn-advisory-improper-certificate-validation-in-apache-qpid  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2019-0223 · Severity: low · CVSS 3.1 · Published 2022-05-24

Withdrawn Advisory: Improper Certificate Validation in Apache Qpid Proton

Technologies: [org.apache.qpid:proton-j (Maven)](https://junglewise.ai/threats/technologies/org-apache-qpid-proton-j). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2019-0223 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2019-0223 being exploited in the wild.

**How severe is CVE-2019-0223?** Low severity, with a CVSS score of 3.1, published 24 May 2022.

**Which products and versions are affected?** org.apache.qpid:proton-j (Maven) ECOSYSTEM:introduced=0.9,fixed=0.27.1.

**Is there a fix for CVE-2019-0223?** Yes. org.apache.qpid:proton-j (Maven): upgrade to 0.27.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2019-0223?** Check whether you run org.apache.qpid:proton-j (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.qpid:proton-j (Maven): upgrade to 0.27.1 or later

  ```sh
  # set org.apache.qpid:proton-j to 0.27.1 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.qpid:proton-j (Maven) ECOSYSTEM:introduced=0.9,fixed=0.27.1

## Identifiers

- CVE-2019-0223
- GHSA-5h6x-m52p-23ph

## Related threats

- [Apache Qpid Proton-J: Unbounded type nesting can lead to pre-authentication stackoverflow](https://junglewise.ai/threats/cve-2026-66274-apache-qpid-proton-j-unbounded-type-nesting-can-lead-to-pre)
- [Improper Certificate Validation in proton-j](https://junglewise.ai/threats/cve-2018-17187-improper-certificate-validation-in-proton-j)
- [Moderate severity vulnerability that affects org.apache.qpid:proton-j](https://junglewise.ai/threats/cve-2016-2166-moderate-severity-vulnerability-that-affects-org-apache-qpid)