CVE-2020-9583
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedMagento 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceA command injection vulnerability in Magento allows attackers to execute arbitrary system commands. This occurs due to insufficient input validation in a component that processes user-supplied data, enabling remote code execution without authentication.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 1.9.4.4<= 1.14.4.4>= 2.2.0, <= 2.2.11>= 2.3.0, <= 2.3.4CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Determine your Magento versionLocate the version file or check the admin panel: for 1.x check app/Mage.php for the version constant, for 2.x check composer.json or bin/magento --versionAffected if The installed version is <= 1.9.4.4, <= 1.14.4.4, >= 2.2.0 and <= 2.2.11, or >= 2.3.0 and <= 2.3.4
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Identify the vulnerable component exposureDetermine if the component that processes user-supplied data is accessible on your storefront or admin interface. This is the input validation point that lacks proper sanitization.Affected if The vulnerable input processing component is accessible and exposed to unauthenticated users
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Review application logs for suspicious activityExamine Magento logs in the var/log/ directory (or the equivalent log location for your installation) for unusual commands, shell executions, or unexpected system callsAffected if Logs contain evidence of arbitrary command execution, shell invocations, or suspicious input patterns that align with the injection flaw
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Check for unauthorized file modificationsLook for newly created or modified PHP files in the webroot, particularly in media/, var/, or skin/ directories that may indicate exploitationAffected if Unexpected PHP files or scripts exist that were not deployed as part of your application
You are affected if your Magento installation version falls within the affected ranges AND the vulnerable input processing component is accessible to unauthenticated users, or if logs show evidence of command injection attempts or successful exploitation.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scopedUpdate Magento to the patched versions (2.3.5+, 2.2.12+, 1.14.4.5+, or 1.9.4.5+) immediately. Review system logs for signs of exploitation and consider a security audit if the instance was previously exposed.
Magento 1: 1.9.4.5 or 1.14.4.5; Magento 2: 2.3.5+ or 2.2.12+
- Backup your Magento database and files before proceeding
- Test the upgrade in a staging environment before applying to production
- For Magento 1.x: Upgrade to version 1.9.4.5 or 1.14.4.5 (or latest available 1.x release)
- For Magento 2.x: Upgrade to version 2.3.5 or later for the 2.3.x branch, or version 2.2.12 or later for the 2.2.x branch
- Verify all extensions and custom code are compatible with the new version
- After upgrade, clear Magento cache and reindex
- Verify the installation is working correctly and test for the vulnerability if possible
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-9583 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2020-9583 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data