CVE-2013-4226
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 · uneditedThe Authenticated User Page Caching (Authcache) module 7.x-1.x before 7.x-1.5 for Drupal does not properly restrict access to cached pages, which allows remote attackers with the same role-combination as the superuser to obtain sensitive information via the cached pages of the superuser.
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 confidenceThe Authcache module for Drupal 7.x before 7.x-1.5 fails to properly isolate cached pages between users who share the same role combination. When a superuser visits a page, that page gets cached. Another authenticated user with an identical role combination can then potentially access those cached superuser pages, exposing sensitive information.
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= 7.x-1.0= 7.x-1.1= 7.x-1.2= 7.x-1.3= 7.x-1.4= 7.x-1.5CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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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Verify Authcache module is installedCheck for the presence of the authcache module in your Drupal installation's modules directory (sites/all/modules/authcache or sites/all/modules/contrib/authcache) or list enabled modules via Drush: `drush pm-list --type=module --status=enabled | grep authcache`Affected if The Authcache module is present and enabled on the system
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Determine installed Authcache versionRun `drush pm-list --type=module | grep authcache` to see the version, or check the module's .info file at sites/all/modules/authcache/authcache.info for the version lineAffected if The installed version is 7.x-1.0, 7.x-1.1, 7.x-1.2, 7.x-1.3, 7.x-1.4, or 7.x-1.5 (all versions before 7.x-1.5)
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Confirm Authcache caching is actively configuredCheck the Drupal variable table for authcache settings via SQL: `SELECT * FROM variable WHERE name LIKE 'authcache%';` or inspect settings.php for authcache configuration entries. Also check if Page Caching is enabled at admin/config/development/performanceAffected if Authcache caching is enabled and the module is actively caching pages for authenticated users
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Identify role assignment exposureReview user role assignments at admin/config/people/roles to identify which roles exist, then check user accounts (via admin/config/people or database query) to see which users share identical role combinationsAffected if Multiple users share the same role combination AND at least one of those users is a superuser (administrator) who would have cached privileged content accessible to others with matching roles
The environment is affected if Authcache module versions 7.x-1.0 through 7.x-1.5 are installed with caching enabled, and multiple users share identical role combinations including elevated privileges.
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 dataUpdate the Authcache module to version 7.x-1.5 or later. Review cached content and user role assignments to ensure no unauthorized access has occurred.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.
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Free · runs locallyCheck whether your project pulls in CVE-2013-4226 — 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-2013-4226 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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