CVE-2023-27258
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 · uneditedMissing authentication in the GetStudentGroupStudents method in IDAttend’s IDWeb application 3.1.052 and earlier allows retrieval of student and teacher data by unauthenticated attackers.
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 confidenceMissing authentication in the GetStudentGroupStudents method in IDAttend's IDWeb application version 3.1.052 and earlier allows unauthenticated attackers to directly invoke this API method and retrieve sensitive student and teacher data without any credentials.
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<= 3.1.052CVSS 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
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/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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Identify IDAttend IDWeb installationCheck for IDAttend IDWeb application files on the system, typically installed in web server directories (IIS/www root). Look for Idweb or IDAttend related directories and DLL files.Affected if IDAttend IDWeb application is present on the system
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Determine IDWeb versionLocate version information in application files, assembly info, or configuration files. Check the bin directory for DLL version metadata, or look for version.txt/readme files in the application root.Affected if Version is 3.1.052 or earlier
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Verify GetStudentGroupStudents endpoint exposureAttempt to access the GetStudentGroupStudents API endpoint directly via HTTP request (e.g., GET/POST to the application's API URL) without providing any authentication tokens or credentials.Affected if The endpoint responds successfully and returns data without requiring authentication
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Check API authentication configurationInspect the application's web.config or API configuration files for authentication settings on the GetStudentGroupStudents method. Look for [AllowAnonymous] attributes or missing [Authorize] decorators in the API controller.Affected if No authorization attributes are configured for the endpoint, or anonymous access is explicitly allowed
If IDAttend IDWeb version 3.1.052 or earlier is installed AND the GetStudentGroupStudents endpoint is accessible without authentication credentials, the environment is affected by this CVE.
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 authentication and authorization checks on the GetStudentGroupStudents endpoint and similar data retrieval methods; upgrade to a patched version if available; apply network segmentation to restrict access to the IDWeb application.
- Consultation6.0 h
- Implementation10.0 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 $7,872.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-27258 — 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-2023-27258 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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