# CVE-2021-25971: Camaleon CMS vulnerable to Uncaught Exception

Source: https://junglewise.ai/threats/cve-2021-25971-camaleon-cms-vulnerable-to-uncaught-exception  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2021-25971 · Severity: low · CVSS 3.1 · Published 2022-05-24

Camaleon CMS vulnerable to Uncaught Exception

Technologies: [camaleon_cms (RubyGems)](https://junglewise.ai/threats/technologies/camaleon-cms). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is CVE-2021-25971 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-25971 being exploited in the wild.

**How severe is CVE-2021-25971?** Low severity, with a CVSS score of 3.1, published 24 May 2022.

**Which products and versions are affected?** camaleon_cms (RubyGems) ECOSYSTEM:introduced=2.0.1,fixed=2.6.0.1.

**Is there a fix for CVE-2021-25971?** Yes. camaleon_cms (RubyGems): upgrade to 2.6.0.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-25971?** Check whether you run camaleon_cms (RubyGems) 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

- camaleon_cms (RubyGems): upgrade to 2.6.0.1 or later

  ```sh
  bundle update camaleon_cms
  ```


## Affected products

- camaleon_cms (RubyGems) ECOSYSTEM:introduced=2.0.1,fixed=2.6.0.1

## Identifiers

- CVE-2021-25971
- GHSA-r2w2-h6r8-3r53

## Related threats

- [Camaleon CMS path traversal in AWS S3 uploader](https://junglewise.ai/threats/cve-2026-1776-camaleon-cms-path-traversal-in-aws-s3-uploader)
- [Camaleon CMS Vulnerable to Privilege Escalation through a Mass Assignment](https://junglewise.ai/threats/cve-2025-2304-camaleon-cms-vulnerable-to-privilege-escalation-through-a-mass)
- [camaleon_cms affected by cross site scripting](https://junglewise.ai/threats/cve-2024-48652-camaleon-cms-affected-by-cross-site-scripting)
- [Camaleon CMS vulnerable to stored XSS through user file upload (GHSL-2024-184)](https://junglewise.ai/threats/camaleon-cms-vulnerable-to-stored-xss-through-user-file-upload-ghsl-0a6a9b46)
- [Camaleon CMS vulnerable to stored XSS through user file upload (GHSL-2024-184)](https://junglewise.ai/threats/camaleon-cms-vulnerable-to-stored-xss-through-user-file-upload-ghsl-15da3087)