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CVE-2023-6549 - Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

Project:Citrix

Product:NetScaler ADC and NetScaler Gateway

Date Added:2024-01-17Due Date:2024-02-07

Vulnerability Name

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.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

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

Additional Notes

https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549

https://nvd.nist.gov/vuln/detail/CVE-2023-6549

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