Citrix has released security updates to address vulnerabilities (CVE-2023-3519, CVE-2023-3466, and CVE-2023-3467) affecting NetScaler ADC and NetScaler Gateway. An attacker can exploit one of these vulnerabilities to take control of an affected system. According to Citrix, CVE-2023-3519 is being exploited on unmitigated appliances.

CISA encourages users and administrators to review the Citrix security bulletin and apply the necessary updates.

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