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Critical, CVSS 9.8

Magento command injection vulnerability

CVE-2020-9578GHSA-724x-gqhv-9c5x

What to do

Partial vendor fix. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • Packagist magento/project-community-edition

    Affected
    <= 2.0.2
    Fixed in
    no fixed version recorded

  • Packagist magento/core

    Affected
    < 1.9.4.5
    Fixed in
    1.9.4.5

  • Packagist magento/community-edition

    Affected
    <= 2.2.11>= 2.3.0, < 2.3.4-p2
    Fixed in
    2.3.4-p2

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
  • CVE-2020-9578: 5.72% estimated exploitation activity in the next 30 days; percentile 93.05 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a command injection vulnerability. Successful exploitation could lead to arbitrary code execution.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-724x-gqhv-9c5x

Agent brief

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# Patch Next advisory brief: CVE-2020-9578

Advisory: Magento command injection vulnerability
IDs: CVE-2020-9578, GHSA-724x-gqhv-9c5x
Record: https://patchnext.com/advisories/cve-2020-9578 (revision 1, source checked 26 Oct 2026, 14:29 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.8)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Partial vendor fix; fixed versions by package: magento/core 1.9.4.5; magento/community-edition 2.3.4-p2. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist magento/project-community-edition: affected <= 2.0.2
- Packagist magento/core: affected < 1.9.4.5; fixed in 1.9.4.5
- Packagist magento/community-edition: affected <= 2.2.11; >= 2.3.0, < 2.3.4-p2; fixed in 2.3.4-p2

## Suggested inspection (read-only)
- Packagist magento/project-community-edition: check the installed version with your package manager.
- Packagist magento/core: check the installed version with your package manager.
- Packagist magento/community-edition: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on magento/project-community-edition, magento/core, magento/community-edition.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-724x-gqhv-9c5x (GitHub-reviewed advisory GHSA-724x-gqhv-9c5x lists affected ranges: Packagist magento/community-edition >=0 =2.3.0 =0 =0 <=2.0.2)

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