# CVE-2019-0231: Cleartext Transmission of Sensitive Information in Apache MINA

Source: https://junglewise.ai/threats/cve-2019-0231-cleartext-transmission-of-sensitive-information-in-apache-mina  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2019-0231 · Severity: low · CVSS 3.1 · Published 2022-05-24

Cleartext Transmission of Sensitive Information in Apache MINA

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

## Quick answers

**Is CVE-2019-0231 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2019-0231 being exploited in the wild.

**How severe is CVE-2019-0231?** Low severity, with a CVSS score of 3.1, published 24 May 2022.

**Which products and versions are affected?** org.apache.mina:mina-core (Maven) ECOSYSTEM:introduced=0,fixed=2.0.21.

**Is there a fix for CVE-2019-0231?** Yes. org.apache.mina:mina-core (Maven): upgrade to 2.0.21 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2019-0231?** Check whether you run org.apache.mina:mina-core (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.mina:mina-core (Maven): upgrade to 2.0.21 or later

  ```sh
  # set org.apache.mina:mina-core to 2.0.21 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.mina:mina-core (Maven) ECOSYSTEM:introduced=0,fixed=2.0.21

## Identifiers

- CVE-2019-0231
- GHSA-5h29-qq92-wj7f

## Related threats

- [Apache Java Deserialization filter bypass via resolveProxyClass](https://junglewise.ai/threats/cve-2026-47065-apache-java-deserialization-filter-bypass-via-resolveproxyclass)
- [The fix for was not applied to the 2.1.X and 2.2.X branches. Here was the original issue description: Apache MINA'](https://junglewise.ai/threats/cve-2026-42779-apache-mina-vulnerable-to-deserialization-of-untrusted-data)
- [The fix for was not applied to the 2.1.X and 2.2.X branches. Here was the original issue description: The fix for CVE-202](https://junglewise.ai/threats/cve-2026-42778-apache-mina-vulnerable-to-deserialization-of-untrusted-data)
- [The fix for in Apache MINA AbstractIoBuffer.getObject() was incomplete. The classname allowlist of classes allowed to be dese](https://junglewise.ai/threats/cve-2026-41409-apache-mina-vulnerable-to-deserialization-of-untrusted-data)
- [Apache MINA vulnerable to Deserialization of Untrusted Data](https://junglewise.ai/threats/cve-2026-41635-apache-mina-vulnerable-to-deserialization-of-untrusted-data)
