CVE-2020-35931

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory foxitsoftware.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.foxitsoftware.com/support/security-bulletins.html patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-35931?
CVE-2020-35931 has been scored as a high severity vulnerability.
How to fix CVE-2020-35931?
To fix CVE-2020-35931, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-35931 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-35931 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.