# CVE-2020-10806: eZ Publish Kernel and Legacy Unrestricted Upload of File with Dangerous Type

Source: https://junglewise.ai/threats/cve-2020-10806-ez-publish-kernel-and-legacy-unrestricted-upload-of-file-with  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2020-10806 · Severity: low · CVSS 3.1 · Published 2022-05-24

eZ Publish Kernel and Legacy Unrestricted Upload of File with Dangerous Type

Technologies: [ezsystems/ezpublish-kernel (Packagist)](https://junglewise.ai/threats/technologies/ezsystems-ezpublish-kernel), [ezsystems/ezpublish-legacy (Packagist)](https://junglewise.ai/threats/technologies/ezsystems-ezpublish-legacy). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2020-10806 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-10806 being exploited in the wild.

**How severe is CVE-2020-10806?** Low severity, with a CVSS score of 3.1, published 24 May 2022.

**Which products and versions are affected?** ezsystems/ezpublish-kernel (Packagist) ECOSYSTEM:introduced=0,fixed=5.4.14.1; ezsystems/ezpublish-legacy (Packagist) ECOSYSTEM:introduced=0,fixed=5.4.14.1.

**Is there a fix for CVE-2020-10806?** Yes. ezsystems/ezpublish-kernel (Packagist): upgrade to 5.4.14.1 or later; ezsystems/ezpublish-legacy (Packagist): upgrade to 5.4.14.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-10806?** Check whether you run ezsystems/ezpublish-kernel (Packagist) or ezsystems/ezpublish-legacy (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

- ezsystems/ezpublish-kernel (Packagist): upgrade to 5.4.14.1 or later

  ```sh
  composer require ezsystems/ezpublish-kernel:^5.4.14.1
  ```

- ezsystems/ezpublish-legacy (Packagist): upgrade to 5.4.14.1 or later

  ```sh
  composer require ezsystems/ezpublish-legacy:^5.4.14.1
  ```


## Affected products

- ezsystems/ezpublish-kernel (Packagist) ECOSYSTEM:introduced=0,fixed=5.4.14.1
- ezsystems/ezpublish-legacy (Packagist) ECOSYSTEM:introduced=0,fixed=5.4.14.1

## Identifiers

- CVE-2020-10806
- GHSA-54p5-gxq6-j98g

## Related threats

- [eZ Systems eZ Publish Legacy SQL injection in dfscleanup](https://junglewise.ai/threats/cve-2026-38739-ez-systems-ez-publish-legacy-sql-injection-in-dfscleanup)
- [Ez Platform Object Injection in legacy shop module](https://junglewise.ai/threats/ez-platform-object-injection-in-legacy-shop-module-9b28f79e)
- [EZsystems Remote code execution in file uploads](https://junglewise.ai/threats/ezsystems-remote-code-execution-in-file-uploads-f6af84c9)
- [Ez Platform and Legacy are prone to an insecure interpretation of PHP/PHAR uploads](https://junglewise.ai/threats/ez-platform-and-legacy-are-prone-to-an-insecure-interpretation-of-php-02603e36)
- [eZ Publish Legacy Passwordless login for LDAP users](https://junglewise.ai/threats/ez-publish-legacy-passwordless-login-for-ldap-users-1c3775a3)
