Cisco Web Security Appliance (WSA) — Vulnerabilities & Security Advisories 25

This page documents known vulnerabilities associated with the Cisco Web Security Appliance, specifically focusing on the Common Weakness Enumeration classification and its specific implementation tags within the software. It aggregates security issues that affect the appliance’s ability to filter web traffic, manage proxy services, and maintain network integrity against malicious content. The collection includes various types of flaws ranging from buffer overflows and input validation errors to cross-site scripting and insecure default configurations. This dataset covers vulnerability disclosures reported from the initial release of the product through recent security updates, providing a comprehensive timeline of identified security defects. By reviewing this information, security professionals can track vendor advisories related to Cisco’s web filtering solutions, gain a deeper understanding of specific weakness classes that have historically impacted enterprise web security infrastructure, and look up a product’s vulnerability history to assess long-term risk exposure. The page serves as a reference for IT administrators and security analysts to evaluate the security posture of deployed Cisco WSA units. It enables users to correlate reported issues with specific software versions and understand the remediation steps required to mitigate identified risks. This resource is intended for technical audiences responsible for maintaining secure web gateways and ensuring compliance with organizational security standards.