CVE-2024-28138
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 · uneditedAn unauthenticated attacker with network access to the affected device's web interface can execute any system command via the "msg_events.php" script as the www-data user. The HTTP GET parameter "data" is not properly sanitized.
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 · moderate confidenceThis is a command injection vulnerability in the msg_events.php script where the HTTP GET parameter 'data' is not sanitized, allowing unauthenticated attackers with network access to execute arbitrary system commands as the www-data user.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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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Locate the msg_events.php scriptSearch the web server document root for msg_events.php: find /var/www -name 'msg_events.php' 2>/dev/null or find /opt -name 'msg_events.php' 2>/dev/nullAffected if The file exists in the web application directory tree
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Inspect the 'data' parameter handlingOpen msg_events.php and examine how the 'data' GET parameter is processed. Look for direct use of $_GET['data'] in shell execution functions like exec(), shell_exec(), system(), or passthru()Affected if The 'data' parameter is passed directly to a shell execution function without input sanitization, escaping, or validation
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Verify network accessibilityCheck web server configuration (Apache/Nginx) to confirm the directory containing msg_events.php is accessible from network interfaces (0.0.0.0) rather than bound to localhost onlyAffected if The script is accessible over the network to unauthenticated users
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Check for command execution functionsSearch the msg_events.php file for shell execution patterns: grep -E '(exec|shell_exec|system|passthru|proc_open)' msg_events.php and examine if user input flows into these without sanitizationAffected if User-supplied input reaches shell execution functions without validation
If msg_events.php exists, the 'data' GET parameter is used in shell commands without sanitization, and the script is network-accessible, the system is vulnerable to unauthenticated command injection.
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.
From vendor dataImplement proper input sanitization and validation on all user-supplied parameters in msg_events.php, specifically the 'data' parameter, to prevent command injection. If available, apply vendor patches or firmware updates for the affected device.
- 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-2024-28138 — 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-2024-28138 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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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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