BaseFortify

Executive Summary

This is a stored cross-site scripting (XSS) vulnerability in Arista Networks CloudVision CUE. An authenticated high-privilege administrator can inject malicious content into a configuration. When another authenticated user views or compares this configuration, the malicious content executes in their browser.

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Detection Guidance

Detection of this stored XSS vulnerability requires manual review of configuration content and user activity logs. Check for unusual or obfuscated JavaScript in configuration fields, especially those accessible to high-privilege administrators. Monitor browser console logs for unexpected script execution when viewing or comparing configurations.

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Impact Analysis

An attacker could access sensitive data, modify configurations, or disrupt managed wireless services through the victim's authenticated browser session. This requires the victim to have high privileges and view the affected configuration.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, configuration changes, or service disruption through a victim's authenticated session. This may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information if exploited.

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Mitigation Strategies

Update Arista Networks CloudVision CUE to the latest patched version to address the stored XSS vulnerability. Restrict high-privilege administrator access to trusted users only and monitor configuration changes for suspicious activity.

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