CVE-2012-4935
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 the web interface in Pattern Insight 2.3 allows remote attackers to hijack the authentication of arbitrary users.
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 Cross-Site Request Forgery (CSRF) vulnerability in the web interface of Pattern Insight version 2.3. The vulnerability allows remote attackers to trick authenticated users into unknowingly executing malicious requests, enabling the attacker to hijack the authentication of arbitrary users and perform unauthorized actions on their behalf.
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= 2.3CVSS 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
- M
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:N/AC:M/Au:N/C:P/I:P/A:P
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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Confirm Pattern Insight installationAccess the web interface URL for Pattern Insight in your environment. If the application responds, it is installed.Affected if Pattern Insight web interface is accessible and responds to requests.
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Identify the installed versionLocate the version information in the Pattern Insight web interface (typically found in an About page, help section, or footer). Compare this to the affected version.Affected if The installed version is exactly 2.3.
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Check for anti-CSRF tokens in state-changing formsInspect the HTML source of forms that perform state-changing actions (such as user creation, configuration changes, or data submission). Look for a hidden input field containing a token value, or check if forms submit to endpoints that validate tokens.Affected if Forms lack anti-CSRF token fields or the tokens are not validated server-side.
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Verify Referer or Origin header validationSubmit a cross-origin request to a state-changing endpoint (using a tool like curl with a different Origin header) and observe whether the request is rejected based on missing or unexpected header values.Affected if The application accepts requests without validating the Referer or Origin headers.
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Inspect session cookie attributesExamine the session cookies set by Pattern Insight using browser developer tools or by inspecting response headers. Check if the SameSite attribute is set to "Strict" or "Lax" or if it is missing entirely.Affected if Session cookies lack SameSite attributes or are set to "None" without secure flags.
A user is affected if they are running Pattern Insight version 2.3 and the web interface lacks anti-CSRF token validation, Referer/Origin header checks, and SameSite cookie attributes.
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 state-changing forms and validate the Referer/Origin header on server-side requests. Alternatively, implement SameSite cookie attributes to prevent cross-origin requests.
- Consultation4.0 h
- Implementation16.0 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 $8,960.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2012-4935 — 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-2012-4935 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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