CVE-2023-4966: Citrix Bleed

CRITICAL
9.4CRITICAL
Published: 2023-10-10Affected: Citrix NetScaler ADC/Gateway 14.1, 13.1, 13.0CWE-119

What is Citrix Bleed?

A buffer overflow in Citrix NetScaler ADC and Gateway that exposes sensitive information including session tokens. Attackers can hijack authenticated sessions without credentials, bypassing MFA entirely.

Impact & Exploitation

Exploited by LockBit ransomware. Boeing, ICBC, and DP World were compromised. MFA bypass makes this particularly dangerous for VPN and remote access infrastructure.

How Precogs AI Detects Citrix Bleed

Precogs AI Binary SAST analyzes Citrix ADC firmware for buffer overflow conditions in session handling code, detecting memory corruption vectors in network appliance firmware.

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Precogs Research

This vulnerability intelligence report was analyzed and enriched by the Precogs AI Security Team. Our researchers continuously monitor emerging threats across AI code, LLM pipelines, and binary architectures to ensure accurate real-time remediation guidance.