Predictable exact value from previous values vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.

This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 29 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 28 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Citrix netscaler Application Delivery Controller
CPEs cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
Vendors & Products Citrix netscaler Application Delivery Controller
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Mon, 28 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Citrix
Citrix netscaler Adc
Citrix netscaler Gateway
Vendors & Products Citrix
Citrix netscaler Adc
Citrix netscaler Gateway

Sun, 27 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Description Predictable exact value from previous values vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23.
Title TCP Initial Sequence Number (ISN) prediction
Weaknesses CWE-342
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: NetScaler

Published:

Updated: 2026-09-29T16:35:06.769Z

Reserved: 2026-09-10T07:14:57.370Z

Link: CVE-2026-88778

cve-icon Vulnrichment

Updated: 2026-09-29T16:34:35.685Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-27T17:16:57.110

Modified: 2026-09-29T17:17:12.020

Link: CVE-2026-88778

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-28T16:24:11Z

Weaknesses