9.2Kritisch KEV

CVE-2025-7775Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service

NetScaler ADC; NetScaler Gateway Veröffentlicht: (vor 1 Jahr)

Bekannt ausgenutzt — Citrix NetScaler Memory Overflow Vulnerability

CISA hat am 26.08.2025 bestätigt, dass diese Schwachstelle in echten Angriffen genutzt wird. Frist für US-Bundesbehörden: 28.08.2025.

Erforderliche Maßnahme: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938 ; https://nvd.nist.gov/vuln/detail/CVE-2025-7775

Beschreibung

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

Schwachstellentyp (CWE): CWE-119

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
citrix netscaler application delivery controller 12.1 – < 12.1-55.330
citrix netscaler gateway 13.1 – < 13.1-59.22
NetScaler ADC 14.1 – < 47.48, 13.1 – < 59.22, 13.1 FIPS and NDcPP – < 37.241, 12.1 FIPS and NDcPP – < 55.330
NetScaler Gateway 14.1 – < 47.48, 13.1 – < 59.22, 13.1 FIPS and NDcPP – < 37.241, 12.1 FIPS and NDcPP – < 55.330

Referenzen und Patches

CPE-Treffer (NVD) (8)

  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* ≥ 12.1 < 12.1-55.330
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* ≥ 12.1 < 12.1-55.330
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* ≥ 13.1 < 13.1-37.241
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* ≥ 13.1 < 13.1-37.241
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* ≥ 13.1 < 13.1-59.22
  • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* ≥ 14.1 < 14.1-47.48
  • cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* ≥ 13.1 < 13.1-59.22
  • cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* ≥ 14.1 < 14.1-47.48