9.8

CVE-2025-7775

Warnung
Medienbericht
Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

(OR)

NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with IPv6 services or servicegroups bound with IPv6 servers 

(OR)

NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with DBS IPv6 services or servicegroups bound with IPv6 DBS servers

(OR)

CR virtual server with type HDX
Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
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Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Citrix ≫ Netscaler Application Delivery Controller SwEditionfips Version >= 12.1 < 12.1-55.330
Citrix ≫ Netscaler Application Delivery Controller SwEditionndcpp Version >= 12.1 < 12.1-55.330
Citrix ≫ Netscaler Application Delivery Controller SwEditionfips Version >= 13.1 < 13.1-37.241
Citrix ≫ Netscaler Application Delivery Controller SwEditionndcpp Version >= 13.1 < 13.1-37.241
Citrix ≫ Netscaler Application Delivery Controller SwEdition- Version >= 13.1 < 13.1-59.22
Citrix ≫ Netscaler Application Delivery Controller SwEdition- Version >= 14.1 < 14.1-47.48
Citrix ≫ NetScaler Gateway Version >= 13.1 < 13.1-59.22
Citrix ≫ NetScaler Gateway Version >= 14.1 < 14.1-47.48

26.08.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Citrix NetScaler Memory Overflow Vulnerability

Schwachstelle

Citrix NetScaler ADC and NetScaler Gateway contain a memory overflow vulnerability that could allow for remote code execution and/or denial of service.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 15.24% 0.943
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
secure@citrix.com 9.2 0 0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/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-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.