CVE-2021-25679 : Exploit Details and Defense Strategies

AdTran Personal Phone Manager software version 10.8.1 and below are vulnerable to an authenticated stored cross-site scripting (XSS) issue. This CVE impacts older versions, including NetVanta 7060 and NetVanta 7100.

Understanding CVE-2021-25679

This section will provide insights into the impact and technical details of CVE-2021-25679.

What is CVE-2021-25679?

The AdTran Personal Phone Manager software suffers from an authenticated stored cross-site scripting (XSS) vulnerability, affecting versions 10.8.1 and earlier. While only version 10.8.1 was confirmed during primary research, later versions may also be at risk.

The Impact of CVE-2021-25679

The vulnerability poses a risk of cross-site scripting attacks, potentially leading to unauthorized access, data theft, or other malicious activities. The affected appliances, NetVanta 7060 and NetVanta 7100, are End of Life and won't receive patches.

Technical Details of CVE-2021-25679

This section will delve into the vulnerability description, affected systems, and the exploitation mechanism associated with CVE-2021-25679.

Vulnerability Description

The authenticated stored XSS vulnerability in AdTran Personal Phone Manager allows attackers to inject malicious scripts, bypassing security measures and executing unauthorized actions.

Affected Systems and Versions

Versions 10.8.1 and below of AdTran Personal Phone Manager are confirmed to be impacted by the XSS flaw. The vulnerable appliances include NetVanta 7060 and NetVanta 7100.

Exploitation Mechanism

Attackers with authenticated access can exploit the XSS flaw by injecting malicious scripts into the application, potentially compromising user data and system integrity.

Mitigation and Prevention

In this section, we will discuss the necessary steps to mitigate the risks posed by CVE-2021-25679 and secure your systems.

Immediate Steps to Take

Organizations using the affected versions should consider implementing additional security measures, monitoring for unauthorized activities, and restricting access to vulnerable systems.

Long-Term Security Practices

To enhance overall security posture, organizations should conduct regular security assessments, keep software up to date, and educate users about phishing and social engineering tactics.

Patching and Updates

While a patch may not be available for the affected appliances due to their End of Life status, organizations can explore alternative solutions, implement network segmentation, and monitor for any signs of exploitation.