Foxit ReaderApplication · Foxitsoftware

CVE-2021-38574

CRITICAL · 9.8 CVSS v3.1 Published 2021-08-11
Fix available
A fix is available. Upgrade to 10.1.4 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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 · unedited
An issue was discovered in Foxit Reader and PhantomPDF before 10.1.4. It allows SQL Injection via crafted data at the end of a string.

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 confidence

SQL injection vulnerability in Foxit Reader and PhantomPDF allows attackers to inject malicious SQL queries through crafted data appended to a string. The vulnerability exists in versions prior to 10.1.4 and carries a CRITICAL severity due to the potential for unauthorized database access, data exfiltration, or manipulation.

MitigationApply vendor patch by upgrading Foxit Reader and PhantomPDF to version 10.1.4 or later. Until patched, restrict use of the software to trusted documents and monitor for unusual database activity.

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
Foxit ReaderApplication
Affected:< 10.1.4
PhantompdfApplication
Affected:< 10.1.4

CVSS 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
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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 checks

Work through these to decide whether this CVE applies to you.

  1. Check Foxit Reader version
    Open Foxit Reader, go to Help > About Foxit Reader, or right-click the application in the Start menu and select Properties to view the version number
    Affected if Version is listed as less than 10.1.4
  2. Check PhantomPDF version
    Open PhantomPDF, go to Help > About Foxit PhantomPDF, or right-click the application in the Start menu and select Properties to view the version number
    Affected if Version is listed as less than 10.1.4
  3. Verify exact version via installed programs list
    Open Windows Settings > Apps > Apps & features, locate Foxit Reader or PhantomPDF in the list, and note the version number displayed
    Affected if The displayed version number is below 10.1.4

You are affected if either Foxit Reader or PhantomPDF is installed with a version number lower than 10.1.4

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 · scoped
Upgrade available Upgrade to 10.1.4 or later
Fixed in 10.1.4
Interim mitigation

Apply vendor patch by upgrading Foxit Reader and PhantomPDF to version 10.1.4 or later. Until patched, restrict use of the software to trusted documents and monitor for unusual database activity.

Recommended fix Moderate confidence

Foxit Reader and PhantomPDF version 10.1.4

  1. 1. Backup any important PDF files and user settings before upgrading
  2. 2. Uninstall the current version of Foxit Reader or PhantomPDF
  3. 3. Download Foxit Reader version 10.1.4 or later from the official Foxit website (www.foxitsoftware.com)
  4. 4. Download PhantomPDF version 10.1.4 or later from the official Foxit website if using PhantomPDF
  5. 5. Run the installer for the new version and follow the installation prompts
  6. 6. Verify the installed version by going to Help > About Foxit Reader/PhantomPDF to confirm version 10.1.4 or higher is installed
  7. 7. Test that PDF functionality works normally after the upgrade
Caveat Review release notes for version 10.1.4 for any feature changes or deprecations before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Foxit Reader Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2021-38574 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2021-38574 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • 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