CVE-2021-31445

Name: CVE-2021-31445
Creator: NVD / NIST
Published: 2021-05-07T21:15:07.553+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 2.02%

Last modified Jun 17, 2026

CVE-2021-31445 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. This vulnerability allows remote attackers to disclose sensitive information 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. EPSS estimates a 2.02% chance of exploitation in the next 30 days.

Description

This vulnerability allows remote attackers to disclose sensitive information 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 proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-13244.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS Probability

2.02%

78.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Foxitsoftware	Foxit Reader	<= 10.1.3.37598
Foxitsoftware	Phantompdf	<= 9.7.5.29616
Foxitsoftware	Phantompdf	>= 10.0.0.0, <= 10.1.3.37598

References

https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-534/Third Party Advisory, VDB Entry
https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-534/Third Party Advisory, VDB Entry

Timeline

Published: May 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31445?

How severe is CVE-2021-31445?

CVE-2021-31445 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 2.02% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31445?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31445?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST