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TI-2025-05207 Aliases CVE-2025-5777GHSA-29vj-j5w5-pcph

NetScaler ADC and NetScaler Gateway - Insufficient input validation leading to memory overread

Priority CRITICAL 99Exploited in the wildCWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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

Why it matters now

Exploitation Active In CISA KEV since 2025-07-10CISA due date 2025-07-11Known ransomware use
EPSS 0.99972 99th percentileScored 2026-11-07
Fix Fixed ADC (NetScaler): 43.56, 58.32Gateway (NetScaler): 43.56, 58.32

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CitrixADC14.1 to before 43.56; 13.1 to before 58.3243.56, 58.32Patch availableCNA
CitrixGateway14.1 to before 43.56; 13.1 to before 58.3243.56, 58.32Patch availableCNA
  • ADC VendorCitrix Affected 14.1 to before 43.56; 13.1 to before 58.32 Fixed in 43.56, 58.32 Patch available CNA
  • Gateway VendorCitrix Affected 14.1 to before 43.56; 13.1 to before 58.32 Fixed in 43.56, 58.32 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*12.1 to before 12.1-55.328; 13.1 to before 13.1-37.235VulnerableCitrix
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*13.1 to before 13.1-37.235VulnerableCitrix
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*13.1 to before 13.1-58.32; 14.1 to before 14.1-43.56VulnerableCitrix
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*13.1 to before 13.1-58.32; 14.1 to before 14.1-43.56VulnerableCitrix
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* Versions 12.1 to before 12.1-55.328; 13.1 to before 13.1-37.235 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* Versions 13.1 to before 13.1-37.235 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* Versions 13.1 to before 13.1-58.32; 14.1 to before 14.1-43.56 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* Versions 13.1 to before 13.1-58.32; 14.1 to before 14.1-43.56 Vulnerable ·Citrix

Remediation

  • Fix · CNA ADC (NetScaler) Fixed in 43.56, 58.32
  • Fix · CNA Gateway (NetScaler) Fixed in 43.56, 58.32

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    NetScaler ADC 43.56, 58.32

    2 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM

    Other records, highest priority first

    • TI-2025-04803 NetScaler ADC and NetScaler Gateway - Improper access control on the NetScaler Management InterfacePriority MEDIUM 49
    Show all 2 records →

Timeline

  1. 2025-07-10 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2025-5777
  3. 2026-10-03 Alias added: GHSA-29vj-j5w5-pcph
  4. 2026-10-07 CISA SSVC decision points changed

References

Advisory 8

  • TI-2026-60195 Memory overflow vulnerability leading to Remote Code Execution or Denial of Service KEVCVSS 4.0CRITICAL 9.5
  • TI-2026-60194 Improper input validation in Citrix ADC KEVCVSS 4.0CRITICAL 9.5
  • TI-2023-04571 Unauthenticated sensitive information disclosure in Citrix NetScaler ADC KEVCVSS 3.1CRITICAL 9.4
  • TI-2023-03284 Unauthenticated remote code execution in Citrix NetScaler ADC KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-15872 NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490 KEVCVSS 4.0CRITICAL 9.3
  • TI-2026-02639 Insufficient input validation leading to memory overread KEVCVSS 4.0CRITICAL 9.3
See all 39 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences