CVE-2021-31450 : What You Need to Know

This CVE-2021-31450 impacts Foxit Reader version 10.1.1.37576, allowing remote attackers to execute arbitrary code. The vulnerability stems from improper handling of XFA forms.

Understanding CVE-2021-31450

This article provides insight into the vulnerability's description, impact, affected systems, exploitation mechanism, and mitigation strategies.

What is CVE-2021-31450?

CVE-2021-31450 enables attackers to run malicious code on systems using Foxit Reader version 10.1.1.37576 by exploiting a flaw in how XFA forms are processed.

The Impact of CVE-2021-31450

The vulnerability poses a high risk with a CVSS base score of 7.8, requiring user interaction for exploitation. Attackers can achieve high confidentiality, integrity, and availability impact.

Technical Details of CVE-2021-31450

Below are the specific technical details of the CVE.

Vulnerability Description

The vulnerability arises due to inadequate validation of objects before operation, opening doors for arbitrary code execution within the current process.

Affected Systems and Versions

Foxit Reader version 10.1.1.37576 is affected by this vulnerability.

Exploitation Mechanism

To exploit this flaw, attackers need users to interact by visiting a malicious page or opening a tainted file.

Mitigation and Prevention

Understanding the mitigation steps and long-term security practices is crucial to safeguard against CVE-2021-31450.

Immediate Steps to Take

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

Long-Term Security Practices

Regular software updates, security patches, and user education on safe browsing habits are essential for long-term protection.

Patching and Updates

Foxit Software provides security bulletins and updates to address vulnerabilities like CVE-2021-31450.