Description

Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

INFO

Published Date :

2025-06-17T12:29:34.506Z

Last Modified :

2026-02-26T17:50:34.679Z

Source :

Citrix
AFFECTED PRODUCTS

The following products are affected by CVE-2025-5777 vulnerability.

Vendors Products
Citrix
  • Netscaler Application Delivery Controller
  • Netscaler Gateway
Netscaler
  • Adc
  • Gateway
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-5777.

URL Resource
https://citrixbleed.com cve-icon
https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spot-it-f3106392aa71 cve-icon cve-icon
https://horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-write-up-maybe/ cve-icon
https://labs.watchtowr.com/how-much-more-must-we-bleed-citrix-netscaler-memory-disclosure-citrixbleed-2-cve-2025-5777/ cve-icon
https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-netscaler-adc-gateway-devices/ cve-icon cve-icon
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420 cve-icon cve-icon
https://www.bleepingcomputer.com/news/security/cisa-tags-citrix-bleed-2-as-exploited-gives-agencies-a-day-to-patch/ cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777 cve-icon cve-icon
https://www.netscaler.com/blog/news/netscaler-critical-security-updates-for-cve-2025-6543-and-cve-2025-5777/ cve-icon
https://www.theregister.com/2025/07/10/cisa_citrixbleed_kev/ cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact