7.5

CVE-2026-88778

Warnung

TCP Initial Sequence Number (ISN) prediction

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Citrix ≫ Netscaler Application Delivery Controller SwEdition - Version >= 13.1 < 13.1-64.23
Citrix ≫ Netscaler Application Delivery Controller SwEdition fips Version >= 13.1 < 13.1.37.279
Citrix ≫ Netscaler Application Delivery Controller SwEdition ndcpp Version >= 13.1 < 13.1.37.279
Citrix ≫ Netscaler Application Delivery Controller SwEdition - Version >= 14.1 < 14.1-73.37
Citrix ≫ Netscaler Application Delivery Controller SwEdition fips Version >= 14.1-66.68 <= 14.1-73.37
Citrix ≫ NetScaler Gateway Version >= 13.1 < 13.1-64.23
Citrix ≫ NetScaler Gateway Version >= 14.1 < 14.1-73.37
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.38% 0.293
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 8.8 0 0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-342 Predictable Exact Value from Previous Values

An exact value or random number can be precisely predicted by observing previous values.

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096
Vendor Advisory