CVE-2021-40326
5.5 · MEDIUMOverview
CVE-2021-40326 is a medium-severity vulnerability affecting foxit pdf_editor. It was published on August 29, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, mishandle hidden and incremental data in signed documents. An attacker can write to an arbitrary file, and display controlled contents, during signature verification.
Remediation
Check the references section for vendor advisories and patches from foxit. Update pdf_editor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| foxit | pdf_editor | >= 11.0, < 11.1 | Affected |
| foxit | pdf_reader | >= 11.0, < 11.1 | Affected |
| foxit | phantompdf | >= 0, < 10.1.6 | Affected |
Frequently Asked Questions
What is CVE-2021-40326?
CVE-2021-40326 is a medium-severity vulnerability affecting foxit pdf_editor. It was published on August 29, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-40326?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-40326?
Check the references section for vendor advisories and patches from foxit. Update pdf_editor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-40326?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-40326 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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