CVE-2020-35931
7.8 · HIGHOverview
CVE-2020-35931 is a high-severity vulnerability affecting foxitsoftware foxit_reader. It was published on December 31, 2020 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
An issue was discovered in Foxit Reader before 10.1.1 (and before 4.1.1 on macOS) and PhantomPDF before 9.7.5 and 10.x before 10.1.1 (and before 4.1.1 on macOS). An attacker can spoof a certified PDF document via an Evil Annotation Attack because the products fail to consider a null value for a Subtype entry of the Annotation dictionary, in an incremental update.
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, < 10.1.1 | Affected |
| foxitsoftware | phantompdf | >= 0, < 9.7.5 | Affected |
Frequently Asked Questions
What is CVE-2020-35931?
CVE-2020-35931 is a high-severity vulnerability affecting foxitsoftware foxit_reader. It was published on December 31, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2020-35931?
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-2020-35931?
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-2020-35931?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-35931 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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