CVE-2023-4966
KEV · RansomwareCitrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability
View CVE record →- Vendor / Project
- Citrix
- Product
- NetScaler ADC and NetScaler Gateway
- Date added
- Oct 18, 2023
- Due date
- Nov 8, 2023
- Known ransomware use
- Known
- CWEs
- CWE-119
Description
Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for sensitive information disclosure when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
Required action
Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.
Notes
- https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/, https://support.citrix.com/article/CTX579459/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20234966-and-cve20234967
- https://nvd.nist.gov/vuln/detail/CVE-2023-4966