#VU78373 Code Injection in Citrix Netscaler ADC and Citrix NetScaler Gateway - CVE-2023-3519
Published: July 19, 2023 / Updated: September 20, 2024
Vulnerability identifier: #VU78373
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2023-3519
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Citrix Netscaler ADC
Citrix NetScaler Gateway
Citrix Netscaler ADC
Citrix NetScaler Gateway
Software vendor:
Citrix
Citrix
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server. A remote non-authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.