CVE-2021-42635 : What You Need to Know

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below have a hardcoded APP_KEY value, allowing pre-auth remote code execution.

Understanding CVE-2021-42635

What is CVE-2021-42635?

PrinterLogic Web Stack versions 19.1.1.13 SP9 and earlier contain a vulnerability that enables remote attackers to execute arbitrary code without authentication.

The Impact of CVE-2021-42635

This vulnerability can be exploited by threat actors to execute malicious code remotely, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2021-42635

Vulnerability Description

The issue arises due to the utilization of a hardcoded APP_KEY value in PrinterLogic Web Stack versions 19.1.1.13 SP9 and below, which can be leveraged by attackers for executing code without authentication.

Affected Systems and Versions

Affected: PrinterLogic Web Stack versions 19.1.1.13 SP9 and earlier

Exploitation Mechanism

Attackers exploit the hardcoded APP_KEY to achieve pre-auth remote code execution.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security patches from PrinterLogic promptly.
Monitor network traffic for any suspicious activities or unauthorized access attempts.
Implement strong network segmentation and access controls.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Train employees on cybersecurity best practices to prevent social engineering attacks.
Keep systems and software updated with the latest security patches.

Patching and Updates

PrinterLogic has released patches to address this vulnerability. Ensure timely installation of these patches to mitigate the risk of exploitation.