Security News > 2023 > October > Citrix Bleed exploit lets hackers hijack NetScaler accounts
A proof-of-concept exploit is released for the 'Citrix Bleed' vulnerability, tracked as CVE-2023-4966, that allows attackers to retrieve authentication session cookies from vulnerable Citrix NetScaler ADC and NetScaler Gateway appliances.
The CVE-2023-4966 Citrix Bleed flaw is an unauthenticated buffer-related vulnerability affecting Citrix NetScaler ADC and NetScaler Gateway, network devices used for load balancing, firewall implementation, traffic management, VPN, and user authentication.
Now that a CVE-2023-4966 exploit is publicly available, it is expected that threat actors will increase their targeting of Citrix Netscaler devices to gain initial access to corporate networks.
Recently patched Citrix NetScaler bug exploited as zero-day since August.
Exploit available for critical WS FTP bug exploited in attacks.
New critical Citrix NetScaler flaw exposes 'sensitive' data.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-10-10 | CVE-2023-4966 | Unspecified vulnerability in Citrix products Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA ?virtual?server. | 7.5 |