CVE-2024-4202
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 · uneditedIn Progress® Telerik® Reporting versions prior to 2024 Q2 (18.1.24.514), a code execution attack is possible through an insecure instantiation vulnerability.
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 confidenceIn Progress Telerik Reporting versions prior to 2024 Q2 (18.1.24.514) contains an insecure instantiation vulnerability that allows remote code execution. This vulnerability stems from the deserialization of untrusted data without proper validation, enabling attackers to instantiate arbitrary objects and achieve code execution on the affected system.
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< 18.1.24.514CVSS 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
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/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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Identify installed Telerik Reporting versionLocate the Telerik Reporting installation directory or check the assembly version of Telerik.Reporting.dll in the application bin folder. Common locations include the Global Assembly Cache (GAC) or the application's bin directory. Use PowerShell or inspect the file properties to find the version information.Affected if The installed version is lower than 18.1.24.514 or the version cannot be determined.
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Verify reporting service endpoints are exposedInspect the web.config or app.config files for configured Telerik Reporting service endpoints (typically under system.serviceModel or similar WCF/REST configuration sections). Check if ReportingWebService or ReportService.asmx endpoints are defined and enabled.Affected if Reporting service endpoints are exposed and accessible over the network.
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Check for unauthenticated access to reporting handlersReview the application's URL routing configuration and IIS/site settings to determine if reporting endpoints (such as /api/reports, /Reports, or Telerik.ReportViewer.axd) allow unauthenticated access. Test by attempting to access these endpoints without credentials.Affected if Reporting endpoints are accessible without authentication.
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Confirm deserialization usage in the environmentExamine the application's code or configuration for use of binary deserialization (BinaryFormatter, ObjectStateFormatter, or similar) when handling data submitted to reporting endpoints. Check whether HttpRuntime.Cache or other serialization mechanisms process untrusted input.Affected if The application deserializes data from incoming requests without validation.
You are affected if Telerik Reporting version is below 18.1.24.514 AND reporting endpoints are exposed and process untrusted data through deserialization.
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.
dbcve · scoped18.1.24.514
Upgrade Telerik Reporting to version 2024 Q2 (18.1.24.514) or later to remediate the insecure instantiation vulnerability. If immediate patching is not possible, restrict network access to reporting endpoints and implement input validation as a temporary mitigation.
2024 Q2 (18.1.24.514)
- Obtain Telerik Reporting version 2024 Q2 (18.1.24.514) or later from the official Telerik website or your licensed distribution channel
- Review the official upgrade documentation at docs.telerik.com for version-specific migration instructions
- Create a complete backup of your current Telerik Reporting installation including reports, configurations, and databases
- Deploy the new version to a test environment before production
- Verify that all existing reports and integrations function correctly after the upgrade
- Deploy the upgraded version to production
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 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 $8,928.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-4202 — 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-2024-4202 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
- No spam, self-promotion, credentials, or personal data