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TI-2024-05102 Aliases CVE-2024-5491GHSA-p959-c7xj-w3cr

Denial of service in Citrix NetScaler ADC

Priority LOW 33Published · Updated

Key facts

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

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

Summary

Denial of Service in NetScaler ADC and NetScaler Gateway in NetScaler

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00764 55th percentileScored 2026-11-07
Fix Fixed NetScaler ADC (NetScaler): 25.53, 53.17, 92.31 +2NetScaler Gateway (NetScaler): 25.53, 53.17, 92.31

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
CitrixNetScaler ADC14.1 to before 25.53; 13.1 to before 53.17; 13.0 to before 92.31; 13.1-FIPS to before 37.183; 12.1-FIPS to before 55.304; 12.1-NDcPP to before 55.30425.53, 53.17, 92.31, 37.183, 55.304Patch availableCNA
CitrixNetScaler Gateway14.1 to before 25.53; 13.1 to before 53.17; 13.0 to before 92.3125.53, 53.17, 92.31Patch availableCNA
  • NetScaler ADC VendorCitrix Affected 14.1 to before 25.53; 13.1 to before 53.17; 13.0 to before 92.31; 13.1-FIPS to before 37.183; 12.1-FIPS to before 55.304; 12.1-NDcPP to before 55.304 Fixed in 25.53, 53.17, 92.31, 37.183, 55.304 Patch available CNA
  • NetScaler Gateway VendorCitrix Affected 14.1 to before 25.53; 13.1 to before 53.17; 13.0 to before 92.31 Fixed in 25.53, 53.17, 92.31 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*12.1 to before 12.1-55.304VulnerableCitrix
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*12.1 to before 12.1-55.304VulnerableCitrix
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*12.1 to before 13.0-92.31VulnerableCitrix
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*13.1 to before 13.1-37.183VulnerableCitrix
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*13.1 to before 13.1-53.17; 14.1 to before 14.1-25.53VulnerableCitrix
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*12.1 to before 13.0-92.31; 13.1 to before 13.1-53.17; 14.1 to before 14.1-25.53VulnerableCitrix
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* Versions 12.1 to before 12.1-55.304 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* Versions 12.1 to before 12.1-55.304 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* Versions 12.1 to before 13.0-92.31 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* Versions 13.1 to before 13.1-37.183 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* Versions 13.1 to before 13.1-53.17; 14.1 to before 14.1-25.53 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* Versions 12.1 to before 13.0-92.31; 13.1 to before 13.1-53.17; 14.1 to before 14.1-25.53 Vulnerable ·Citrix

Remediation

  • Fix · CNA NetScaler ADC (NetScaler) Fixed in 25.53, 53.17, 92.31, 37.183, 55.304
  • Fix · CNA NetScaler Gateway (NetScaler) Fixed in 25.53, 53.17, 92.31

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-5491
  2. 2026-10-03 Alias added: GHSA-p959-c7xj-w3cr

References

Advisory 1

Other 1

  • 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