CISA Adds Citrix NetScaler CVE-2025-5777 to KEV Catalog as Active Exploits Target Enterprises

CISA Adds Citrix NetScaler CVE-2025-5777 to KEV Catalog as Active Exploits Target Enterprises

The U.S. CISA has added a critical vulnerability, CVE-2025-5777, affecting Citrix NetScaler ADC and Gateway to its KEV list, which has been exploited in real-world attacks. This flaw can lead to memory overread, token theft, and unauthorized access, posing significant risks to enterprise networks. #CitrixBleed2 #CVE20255777

Keypoints

  • CISA has officially added CVE-2025-5777 to its KEV catalog after confirmed exploitation.
  • The vulnerability allows attackers to bypass authentication and leak sensitive memory data.
  • Exploitation is linked to malicious IP addresses in multiple countries, targeting major nations.
  • Organizations are advised to immediately upgrade to patched Citrix versions and review logs for suspicious activity.
  • Another similar flaw, CVE-2025-6543, is also actively exploited, amplifying the threat landscape.

Read More: https://thehackernews.com/2025/07/cisa-adds-citrix-netscaler-cve-2025.html