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CVE-2023-6549

Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

Description

Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for a denial-of-service when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.

Recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA remediation due date for U.S. federal agencies: 7 Feb 2024.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.