Today, CISA, in response to active, targeted exploitation, released guidance for addressing Citrix NetScaler ADC and Gateway vulnerability CVE-2023-4966. The vulnerability, also known as Citrix Bleed, could allow a cyber actor to take control of an affected system.

CISA recommends organizations patch unmitigated appliances, hunt for any malicious activity, and report any positive findings to CISA. Review CISA’s guidance for more information.

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