CVE-2021-31455 : What You Need to Know

This CVE-2021-31455 article provides details about a vulnerability found in Foxit Reader 10.1.1.37576, allowing remote attackers to execute arbitrary code by exploiting a flaw in handling XFA forms.

Understanding CVE-2021-31455

This section delves into the specifics of the CVE-2021-31455 vulnerability affecting Foxit Reader.

What is CVE-2021-31455?

CVE-2021-31455 enables attackers to execute arbitrary code on vulnerable Foxit Reader installations by manipulating XFA forms due to inadequate object validation.

The Impact of CVE-2021-31455

The vulnerability poses a high risk, requiring user interaction to compromise affected systems, leading to unauthorized execution of code.

Technical Details of CVE-2021-31455

Explore the technical aspects and implications of the CVE-2021-31455 vulnerability.

Vulnerability Description

The flaw in Foxit Reader 10.1.1.37576 resides in incorrectly handling XFA forms, allowing attackers to execute code within the current process context.

Affected Systems and Versions

Foxit Reader version 10.1.1.37576 is susceptible to this remote code execution vulnerability.

Exploitation Mechanism

To exploit CVE-2021-31455, attackers need users to access a malicious page or open a corrupted file, leveraging the lack of object validation in XFA form processing.

Mitigation and Prevention

Learn about the necessary steps to mitigate and prevent exploitation of this security flaw.

Immediate Steps to Take

Users should refrain from visiting untrusted websites or opening suspicious files to reduce the risk of exploitation.

Long-Term Security Practices

Implementing user awareness programs, security training, and keeping software up to date are essential for long-term security.

Patching and Updates

Foxit users are advised to promptly apply security patches provided by the vendor to address and prevent CVE-2021-31455.