CVE-2021-30650 : What You Need to Know

A reflected cross-site scripting (XSS) vulnerability in the Symantec Layer7 API Management OAuth Toolkit (OTK) could allow a remote attacker to execute malicious code targeting OTK users.

Understanding CVE-2021-30650

This CVE pertains to a security flaw in the Layer7 API Management OAuth Toolkit (OTK) that enables attackers to carry out cross-site scripting attacks via a crafted URL.

What is CVE-2021-30650?

The CVE-2021-30650 vulnerability involves an XSS issue in the Symantec Layer7 API Management OAuth Toolkit, giving malicious actors the ability to inject harmful code into the OTK web UI.

The Impact of CVE-2021-30650

The security vulnerability could be exploited by remote attackers to launch phishing attacks and conduct social engineering scams against users of the OTK, posing a significant risk to data confidentiality and integrity.

Technical Details of CVE-2021-30650

The CVE-2021-30650 vulnerability in the Layer7 API Management OAuth Toolkit has the following technical details:

Vulnerability Description

The flaw allows remote attackers to execute reflected cross-site scripting (XSS) attacks by manipulating URLs to inject malicious code into the OTK web UI.

Affected Systems and Versions

The vulnerability impacts OTK versions 4.4.x and earlier, exposing users operating on these versions to potential security breaches.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting URLs containing malicious scripts, which are then executed within the OTK web UI upon user interaction.

Mitigation and Prevention

To address CVE-2021-30650, users and organizations can take the following measures to enhance security:

Immediate Steps to Take

Upgrade to a patched version of the Layer7 API Management OAuth Toolkit that addresses the XSS vulnerability.
Educate OTK users about the risks associated with clicking on unknown or suspicious URLs.

Long-Term Security Practices

Regularly update and patch the OTK software to protect against known vulnerabilities.
Implement web application firewalls and content security policy headers to mitigate XSS risks.

Patching and Updates

Stay informed about security advisories and patches released by Symantec or the software provider to safeguard against emerging threats.