# CVE-2020-1953: Remote code execution in Apache Commons Configuration

Source: https://junglewise.ai/threats/cve-2020-1953-remote-code-execution-in-apache-commons-configuration  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2020-05-21  
License: CC BY 4.0 with a link back

CVE-2020-1953 · Severity: low · CVSS 3.1 · Published 2020-05-21

Remote code execution in Apache Commons Configuration

Technologies: [org.apache.commons:commons-configuration2 (Maven)](https://junglewise.ai/threats/technologies/org-apache-commons-commons-configuration2). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2020-1953 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-1953 being exploited in the wild.

**How severe is CVE-2020-1953?** Low severity, with a CVSS score of 3.1, published 21 May 2020.

**Which products and versions are affected?** org.apache.commons:commons-configuration2 (Maven) ECOSYSTEM:introduced=2.2,fixed=2.7.

**Is there a fix for CVE-2020-1953?** Yes. org.apache.commons:commons-configuration2 (Maven): upgrade to 2.7 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-1953?** Check whether you run org.apache.commons:commons-configuration2 (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.commons:commons-configuration2 (Maven): upgrade to 2.7 or later

  ```sh
  # set org.apache.commons:commons-configuration2 to 2.7 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.commons:commons-configuration2 (Maven) ECOSYSTEM:introduced=2.2,fixed=2.7

## Identifiers

- CVE-2020-1953
- GHSA-7qx4-pp76-vrqh

## Related threats

- [Apache Commons Configuration uncontrolled recursion in YAMLConfiguration](https://junglewise.ai/threats/cve-2026-45205-apache-commons-configuration-uncontrolled-recursion-in)
- [Apache Commons Configuration: StackOverflowError calling ListDelimiterHandler.flatten(Object, int) with a cyclical object tree](https://junglewise.ai/threats/cve-2024-29133-apache-commons-configuration-stackoverflowerror-calling)
- [Apache Commons Configuration: StackOverflowError adding property in AbstractListDelimiterHandler.flattenIterator()](https://junglewise.ai/threats/cve-2024-29131-apache-commons-configuration-stackoverflowerror-adding-property)
- [Code injection in Apache Commons Configuration](https://junglewise.ai/threats/cve-2022-33980-code-injection-in-apache-commons-configuration)