# CVE-2021-20841: EC-CUBE Improper access control in Management screen

Source: https://junglewise.ai/threats/cve-2021-20841-ec-cube-improper-access-control-in-management-screen  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-25  
License: CC BY 4.0 with a link back

CVE-2021-20841 · Severity: low · CVSS 3.1 · Published 2021-11-25

EC-CUBE Improper access control in Management screen

Technologies: [ec-cube/ec-cube (Packagist)](https://junglewise.ai/threats/technologies/ec-cube-ec-cube). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2021-20841 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-20841 being exploited in the wild.

**How severe is CVE-2021-20841?** Low severity, with a CVSS score of 3.1, published 25 November 2021.

**Which products and versions are affected?** ec-cube/ec-cube (Packagist) ECOSYSTEM:introduced=2.11.2,fixed=2.17.2.

**Is there a fix for CVE-2021-20841?** Yes. ec-cube/ec-cube (Packagist): upgrade to 2.17.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-20841?** Check whether you run ec-cube/ec-cube (Packagist) 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

- ec-cube/ec-cube (Packagist): upgrade to 2.17.2 or later

  ```sh
  composer require ec-cube/ec-cube:^2.17.2
  ```


## Affected products

- ec-cube/ec-cube (Packagist) ECOSYSTEM:introduced=2.11.2,fixed=2.17.2

## Identifiers

- CVE-2021-20841
- GHSA-jc55-crg7-pr35

## Related threats

- [EC-CUBE has a Vulnerability that Allows MFA Bypass in the Administrative Interface](https://junglewise.ai/threats/ec-cube-has-a-vulnerability-that-allows-mfa-bypass-in-the-d45ae178)
- [EC-CUBE DOM-based cross-site scripting vulnerability](https://junglewise.ai/threats/cve-2022-38975-ec-cube-dom-based-cross-site-scripting-vulnerability)
- [EC-CUBE Directory traversal vulnerability](https://junglewise.ai/threats/cve-2022-40199-ec-cube-directory-traversal-vulnerability)
- [EC-CUBE Cross-site request forgery (CSRF) vulnerability](https://junglewise.ai/threats/cve-2021-20842-ec-cube-cross-site-request-forgery-csrf-vulnerability)
- [EC-CUBE Cross-site scripting vulnerability](https://junglewise.ai/threats/cve-2021-20751-ec-cube-cross-site-scripting-vulnerability)