CVE-2024-30371
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 · uneditedFoxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of AcroForms. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-23355.
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 confidenceThis is a use-after-free vulnerability in Foxit PDF Reader's AcroForm handling. The vulnerability stems from the lack of validation that an object exists before performing operations on it, allowing an attacker to manipulate memory and execute arbitrary code in the context of the current process when a user opens a malicious PDF.
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<= 10.1.12.37872>= 11.0.0.49893, <= 11.2.8.53842>= 12.0.0.12394, <= 12.1.4.15400>= 13.0.0.21632, <= 13.0.1.21693>= 2023.1.0.15510, <= 2023.3.0.23028<= 2023.3.0.23028CVSS 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
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:L/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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Locate Foxit PDF Reader installationSearch for the Foxit PDF Reader executable (FoxitReader.exe) in common installation directories such as C:\Program Files\Foxit Software\Foxit PDF Reader\ or C:\Program Files (x86)\Foxit Software\Foxit PDF Reader\. Alternatively, open Command Prompt and run where FoxitReader.exe to find the installed path.Affected if Foxit PDF Reader is not found on the system, then this CVE does not apply.
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Retrieve installed version numberRight-click on FoxitReader.exe, select Properties, then go to the Details tab and read the Product version field. Alternatively, open Foxit PDF Reader, click Help > About Foxit Reader to display the version dialog.Affected if The version cannot be determined, treat it as unknown and proceed with caution.
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Compare version against affected rangesCompare your installed version to the following affected ranges: versions <= 2023.3.0.23028. If your version falls within any of these ranges, your installation is affected: 10.1.12.37872 and below; 11.0.0.49893 through 11.2.8.53842; 12.0.0.12394 through 12.1.4.15400; 13.0.0.21632 through 13.0.1.21693; 2023.1.0.15510 through 2023.3.0.23028.Affected if Your installed version matches or falls within any of the listed affected version ranges.
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Confirm AcroForm handling is reachableThe vulnerability exists in the AcroForm handling component. This feature is part of standard PDF functionality and is automatically available when opening PDF files that contain AcroForm fields. No specific configuration toggle exists to disable this component.Affected if The installed version is within the affected ranges and you open PDF files that may contain AcroForm content.
You are affected if Foxit PDF Reader is installed and its version falls within the <= 2023.3.0.23028 range, as all versions up to and including 2023.3.0.23028 are impacted by this use-after-free vulnerability in AcroForm handling.
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 · scopedUpdate Foxit PDF Reader to the latest version. Avoid opening PDF files from untrusted sources and disable JavaScript execution in PDF reader settings as a defense-in-depth measure.
Foxit PDF Reader/Editor latest version (verify version > 13.0.1.21693 for Editor, > 2023.3.0.23028 for Reader)
- 1. Identify the currently installed Foxit PDF product (Reader or Editor) and its exact version number from the Help > About menu
- 2. For Foxit PDF Reader users: Navigate to the official Foxit download page at https://www.foxit.com/downloads/ and download the latest version
- 3. For Foxit PDF Editor users: Navigate to https://www.foxit.com/downloads/pdf-editor/ and download the latest version matching your license type (Standard or Pro)
- 4. Uninstall the current version through Windows Control Panel > Programs and Features
- 5. Install the newly downloaded version, ensuring you uncheck any optional bundled software during installation
- 6. Verify the installation was successful by checking Help > About to confirm the version is newer than the vulnerable releases
- 7. Restart any running Foxit instances and ensure the application launches without errors
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-30371 — 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-2024-30371 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