NetScaler — Vulnerabilities & Security Advisories 22

NetScaler serves as a core application delivery controller and load balancer, optimizing web traffic and security for enterprise applications. Historically, it has been susceptible to remote code execution, cross-site scripting, and privilege escalation vulnerabilities, often stemming from misconfigurations or unpatched components. With 14 CVEs currently on record, these flaws have allowed attackers to compromise systems, exfiltrate data, and establish persistent access. Notable incidents include widespread exploitation of CVE-2023-3519, which enabled unauthenticated RCE, highlighting critical risks in internet-facing deployments. Organizations must prioritize timely patching and hardening to mitigate these persistent security challenges.