CVE-2017-2138
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 · uneditedCross-site request forgery (CSRF) vulnerability in CS-Cart Japanese Edition v4.3.10 and earlier (excluding v2 and v3), CS-Cart Multivendor Japanese Edition v4.3.10 and earlier (excluding v2 and v3) allows remote attackers to hijack the authentication of administrators via unspecified vectors.
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 confidenceCSRF vulnerability in CS-Cart Japanese Edition and Multivendor Japanese Edition v4.3.10 and earlier allows remote attackers to hijack administrator authentication by tricking logged-in administrators into submitting malicious requests via unspecified vectors.
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<= 4.3.10<= 4.3.10CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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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Check the installed CS-Cart versionLocate the version file or admin panel version display. Common locations include the version.php file in the app directory or the admin panel footer/summary page. Compare your version number to the affected range of <= 4.3.10.Affected if Your installed version is 4.3.10 or earlier.
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Inspect admin forms for anti-CSRF token presenceLog into the admin panel and view the HTML source of key administrative forms (such as settings, product management, or user management forms). Look for a hidden input field containing a token value, typically named something like 'security_hash', 'csrf_token', or 'form_id'.Affected if Admin forms lack a hidden token field and the page source shows no anti-CSRF token parameter.
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Verify server-side token validation logicExamine the backend PHP code that processes admin form submissions. Check if form handlers validate the token by comparing the submitted value against a stored session value. Look for validation functions in the app/Tygh directory or similar core processing files.Affected if The server-side form processing code contains no token validation checks for admin actions.
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Test token uniqueness per sessionOpen multiple admin sessions (incognito/private browser windows) and compare the token values generated for the same form. Each session should produce a unique, unpredictable token value.Affected if Tokens are identical across different sessions or are reused predictably.
You are affected if your CS-Cart installation is version 4.3.10 or earlier AND admin forms lack anti-CSRF token implementation or server-side validation.
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 anti-CSRF tokens (synchronizer token pattern) on all administrative forms and validate tokens on server-side processing. Ensure tokens are unique per session and cannot be predicted or reused across different admin actions.
- Consultation2.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-2138 — 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-2017-2138 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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- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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