CVE-2020-24407: Magento/community edition Remote Code Execution Vulnerability

CRITICAL
Advisory Identifier: GHSA-7pxg-6p87-8c9v
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CVSS 9.1
CWE-434
Published
Advisory Summary

CVE-2020-24407 is a CRITICAL (CVSS 9.1) remote code execution vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Magento/community edition libraries in the Packagist ecosystem. The issue involves magento 2 community edition rce via unsafe file upload. Remediation is available by upgrading affected packages to version 2.4.1.

CVE-2020-24407 at a Glance

CVE Identifier CVE-2020-24407
GHSA Identifier GHSA-7pxg-6p87-8c9v
Severity CRITICAL
CVSS v3.1 Base Score 9.1
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Magento/community edition
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 9.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required High (PR:H)
User Interaction None (UI:N)
Scope Changed (S:C)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2020-24407

To remediate this vulnerability, upgrade all affected Magento/community edition dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

magento/community-edition fixed: 2.4.1 
Upgrade magento/community-edition to 2.4.1
magento/project-community-edition fixed: Latest secure release 
Upgrade magento/project-community-edition to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for magento/community-edition

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-24407, inspect your project dependencies for Magento/community edition:

inspect dependencies for magento/community-edition

Analyze the terminal output to locate any version of Magento/community edition in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.4.1), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Magento/community edition, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Magento versions 2.4.0 and 2.3.5p1 (and earlier) are affected by an unsafe file upload vulnerability that could result in arbitrary code execution. This vulnerability could be abused by authenticated users with administrative permissions to the System/Data and Transfer/Import components.

CVE-2020-24407 Affected Magento/community edition Versions

2 component(s)
Fixed Versions:
2.4.1
Product / Package Ecosystem Affected Versions Fixed Version
magento/community-edition
 Packagist
< 2.4.1
2.4.1
magento/project-community-edition
 Packagist
≤ 2.0.2

References

NVD — CVE-2020-24407 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24407
Magento/community edition Source Repository REPOSITORY
https://github.com/magento/magento2
Magento/community edition Security Information SECURITY
https://helpx.adobe.com/security/products/magento/apsb20-59.html

Frequently Asked Questions

What is CVE-2020-24407?
CVE-2020-24407 is a security vulnerability in Magento/community edition involving Magento 2 Community Edition RCE via Unsafe File Upload under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Magento/community edition versions are affected?
Affected versions include releases prior to 2.4.1 across affected packages: magento/community-edition, magento/project-community-edition.
What version fixes CVE-2020-24407?
Upgrading to 2.4.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is magento/community-edition affected?
Yes, magento/community-edition is affected in releases prior to 2.4.1. Upgrade your dependency to 2.4.1 or later.
Is magento/project-community-edition affected?
Yes, magento/project-community-edition is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2020-24407?
CVE-2020-24407 has a CVSS v3.1 base score of 9.1 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
What CWE is associated with CVE-2020-24407?
CVE-2020-24407 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check Packagist dependencies for CVE-2020-24407?
Run the dependency tree command: 'inspect dependencies for magento/community-edition'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-7pxg-6p87-8c9v",
  "modified" : "2025-02-10T20:43:50Z",
  "published" : "2022-05-24T17:33:56Z",
  "aliases" : [ "CVE-2020-24407" ],
  "summary" : "Magento 2 Community Edition RCE via Unsafe File Upload",
  "details" : "Magento versions 2.4.0 and 2.3.5p1 (and earlier) are affected by an unsafe file upload vulnerability that could result in arbitrary code execution. This vulnerability could be abused by authenticated users with administrative permissions to the System/Data and Transfer/Import components.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "magento/community-edition"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.4.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 2.4.0"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "magento/project-community-edition"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.0.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-24407"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/magento/magento2"
  }, {
    "type" : "WEB",
    "url" : "https://helpx.adobe.com/security/products/magento/apsb20-59.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-13T21:54:02Z",
    "nvd_published_at" : "2020-11-09T01:15:00Z"
  }
}