# CVE-2019-12422: Improper input validation in Apache Shiro

Source: https://junglewise.ai/threats/cve-2019-12422-improper-input-validation-in-apache-shiro  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2020-02-04  
License: CC BY 4.0 with a link back

CVE-2019-12422 · Severity: low · CVSS 3.1 · Published 2020-02-04

Improper input validation in Apache Shiro

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

## Quick answers

**Is CVE-2019-12422 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2019-12422 being exploited in the wild.

**How severe is CVE-2019-12422?** Low severity, with a CVSS score of 3.1, published 4 February 2020.

**Which products and versions are affected?** org.apache.shiro:shiro-core (Maven) ECOSYSTEM:introduced=0,fixed=1.4.2.

**Is there a fix for CVE-2019-12422?** Yes. org.apache.shiro:shiro-core (Maven): upgrade to 1.4.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2019-12422?** Check whether you run org.apache.shiro:shiro-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.shiro:shiro-core (Maven): upgrade to 1.4.2 or later

  ```sh
  # set org.apache.shiro:shiro-core to 1.4.2 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.shiro:shiro-core (Maven) ECOSYSTEM:introduced=0,fixed=1.4.2

## Identifiers

- CVE-2019-12422
- GHSA-r679-m633-g7wc

## Related threats

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- [Apache Shiro vulnerable to path traversal](https://junglewise.ai/threats/cve-2023-46749-apache-shiro-vulnerable-to-path-traversal)