Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Foxitsoftware | Foxit Reader | < 10.1.1 |
| Foxitsoftware | Phantompdf | < 9.7.5 |
| Microsoft | Windows | - |
| Apple | Macos | - |
Related Weaknesses (CWE)
References
- https://www.foxitsoftware.com/support/security-bulletins.htmlPatchVendor Advisory
- https://www.foxitsoftware.com/support/security-bulletins.htmlPatchVendor Advisory
FAQ
What is CVE-2020-35931?
CVE-2020-35931 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...
How severe is CVE-2020-35931?
CVE-2020-35931 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-35931?
Check the references section above for vendor advisories and patch information. Affected products include: Foxitsoftware Foxit Reader, Foxitsoftware Phantompdf, Microsoft Windows, Apple Macos.