CVE-2021-31449
7.8 · HIGHOverview
CVE-2021-31449 is a high-severity vulnerability affecting foxitsoftware foxit_reader. It was published on May 7, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. 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 U3D objects embedded in PDF files. The issue results from the lack of validating the existence of an object prior to performing further free operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13280.
Remediation
Check the references section for vendor advisories and patches from foxitsoftware. Update foxit_reader 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 |
|---|---|---|---|
| foxitsoftware | foxit_reader | 0 | Affected |
| foxitsoftware | phantompdf | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-31449?
CVE-2021-31449 is a high-severity vulnerability affecting foxitsoftware foxit_reader. It was published on May 7, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-31449?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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-2021-31449?
Check the references section for vendor advisories and patches from foxitsoftware. Update foxit_reader 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-2021-31449?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-31449 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
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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