CVE-2021-45815 : What You Need to Know

Quectel UC20 UMTS/HSPA+ UC20 6.3.14 is affected by a Cross Site Scripting (XSS) vulnerability.

Understanding CVE-2021-45815

Quectel UC20 UMTS/HSPA+ UC20 6.3.14 has a security issue that allows for Cross Site Scripting attacks.

What is CVE-2021-45815?

The CVE-2021-45815 vulnerability is a Cross Site Scripting (XSS) vulnerability impacting Quectel UC20 UMTS/HSPA+ UC20 6.3.14.

The Impact of CVE-2021-45815

This vulnerability can be exploited by attackers to inject malicious scripts into web pages viewed by users, potentially leading to various attacks such as data theft, session hijacking, and defacement.

Technical Details of CVE-2021-45815

Quectel UC20 UMTS/HSPA+ UC20 6.3.14 vulnerability details.

Vulnerability Description

The vulnerability allows for unauthorized script injection into web pages, enabling attackers to execute malicious scripts in the context of the victim's browser.

Affected Systems and Versions

Product: Quectel UC20 UMTS/HSPA+ UC20 6.3.14
Vendor: Quectel
Version: 6.3.14

Exploitation Mechanism

Attackers can craft malicious scripts and inject them into web pages accessed by users of the affected system.
When users visit the compromised pages, the injected scripts can execute within their browser, potentially leading to compromise.

Mitigation and Prevention

Actions to mitigate the CVE-2021-45815 vulnerability.

Immediate Steps to Take

Disable or restrict the execution of scripts from untrusted sources in the browser settings.
Regularly monitor network traffic and inspect web requests for any suspicious activity.
Implement content security policies to mitigate the impact of XSS attacks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Keep software and systems up to date with the latest security patches and updates.

Patching and Updates

Check for patches or updates provided by Quectel to address the XSS vulnerability.
Apply the latest security patches promptly to ensure protection against known exploits.