CVE-2017-1000003
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 · uneditedATutor versions 2.2.1 and earlier are vulnerable to an incorrect access control check vulnerability in the Social Application component resulting in privilege escalation. ATutor versions 2.2.1 and earlier are vulnerable to an incorrect access control check vulnerability in the Module component resulting in privilege escalation. ATutor versions 2.2.1 and earlier are vulnerable to a incorrect access control check vulnerability in the Alternative Content component resulting in privilege escalation.
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 confidenceATutor LMS versions 2.2.1 and earlier contains incorrect access control check vulnerabilities in three separate components (Social Application, Module, and Alternative Content). These flaws allow unauthorized users to bypass permission checks and escalate privileges, potentially gaining administrative access to the learning management system. The critical CVSS score of 9.8 indicates the vulnerability is network-exploitable with low complexity and no authentication required.
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<= 2.2.1CVSS 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:3.0/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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Locate ATutor LMS installationSearch web server document root directories for ATutor-specific folders (commonly named 'atutor', 'ATutor', or 'lms') or check for the presence of ATutor configuration files like 'include/config.inc.php'Affected if ATutor LMS is found on the system
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Identify installed ATutor versionCheck the version file in the ATutor installation directory, typically found in a version.php, about.php, or similar file in the root or include/ directoryAffected if The version number is 2.2.1 or lower
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Determine if Social Application component is accessibleAttempt to access the Social Application module through the web interface by navigating to paths like /social/ or checking for social module functionality in the modules directoryAffected if The Social Application component is installed and accessible to unauthenticated users
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Determine if Module component is accessibleCheck the modules/ directory within the ATutor installation and attempt to access module functionality without authenticationAffected if The Module component is installed and accessible without authentication
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Determine if Alternative Content component is accessibleCheck for Alternative Content functionality through web paths such as /content/alternative/ or similar routes and attempt access without logging inAffected if The Alternative Content component is installed and exposed without authentication
A system is affected if it runs ATutor LMS version 2.2.1 or earlier with any of the three vulnerable components (Social Application, Module, or Alternative Content) accessible to unauthenticated users on the network.
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 dataUpgrade to a patched version of ATutor. If no upgrade is available, implement additional access control validation at the application layer for all three affected components and consider restricting network exposure until the vulnerability is remediated.
- Consultation4.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,808.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-1000003 — 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-2017-1000003 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
- No weaponised exploit code, or anything meant to cause harm
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