The following Citrix/Netscaler ADC appliance is publicly accessible and looks out-dated :
It is critical to update to a safe version as soon as possible since multiple CVEs allow remote attackers to DoS or achieve RCE (Remote code execution) on the server. Those vulnerabilities are currently used in ransomware campaign and could damage your network.
Reference:
Found vulnerable Citrix ADC:
Affected by CVE-2023-3519
Affected by CVE-2023-3467
Affected by CVE-2023-3466
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