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AUTOMATICALLY VERIFIEDOFFICIAL VENDOR SOURCECOLLECTED 12 SEP 2026

Citrix · AUTOMATIC DISCOVERY

NetScaler ADC 12.1 (GA: 25-May-18)

NetScaler ADC is tracked by BlackTree as a server-side software product. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.

Evidence status

This record passed BlackTree's automatic primary-source checks with a confidence score of 96. It is returned for operational research without requiring routine manual approval. Confirm edition and deployment applicability before acting.

Product overview

NetScaler ADC is tracked by BlackTree as a server-side software product. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.

Main capabilities

  • Networked or application service delivery
  • Administrative and operational interfaces
  • Versioned maintenance and security updates

Typical use

Used to provide application, infrastructure or operational services to other systems and users.

Deployment

Deployed on servers, virtual machines, containers or managed infrastructure.

This category-level context is generated from the registered product identity. Confirm exact product capabilities on the publisher's page .

Collected lifecycle data

ProductNetScaler ADC
Release12.1 (GA: 25-May-18)
End of Active support30 May 2022
End of Support30 May 2023
Date precisionDay

Known exploited vulnerabilities

Catalogue updated 11 Sep 2026

These are product-family matches in the CISA Known Exploited Vulnerabilities catalogue. Confirm the affected product version in the vendor advisory.

CVE-2026-19490Added 9 Sep 2026

Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability

Citrix NetScaler ADC and NetScaler Gateway contain an authentication-bypass vulnerability involving an alternate path or channel. When the NetScaler appliance is configured as an AAA virtual server or as a Gateway (SSL VPN, ICA Proxy, CVPN, or RDP Proxy), an unauthenticated remote threat actor may be able to bypass authentication.

Citrix · NetScalerRansomware use: Unknown

CISA entry
CVE-2026-8452Added 26 Aug 2026

Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability which could lead to denial of service.

Citrix · NetScaler ADC and NetScaler GatewayRansomware use: Unknown

CISA entry
CVE-2026-3055Added 30 Mar 2026

Citrix NetScaler Out-of-Bounds Read Vulnerability

Citrix NetScaler ADC (formerly Citrix ADC), NetScaler Gateway (formerly Citrix Gateway) and NetScaler ADC FIPS and NDcPP contain an out-of-bounds reads vulnerability when configured as a SAML IDP leading to memory overread.

Citrix · NetScalerRansomware use: Unknown

CISA entry
CVE-2025-7775Added 26 Aug 2025

Citrix NetScaler Memory Overflow Vulnerability

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

Citrix · NetScalerRansomware use: Unknown

CISA entry
CVE-2025-5777Added 10 Jul 2025

Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability

Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.

Citrix · NetScaler ADC and GatewayRansomware use: Known

CISA entry
CVE-2025-6543Added 30 Jun 2025

Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability

Citrix NetScaler ADC and Gateway contain a buffer overflow vulnerability leading to unintended control flow and Denial of Service. NetScaler must be configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.

Citrix · NetScaler ADC and GatewayRansomware use: Unknown

CISA entry

Showing the 6 most recently added of 10 product-family matches.

Package vulnerability advisories

OSV advisories are matched through the registered package URL. A package-family match does not prove that the installed release is affected. Check the affected and fixed versions before remediation.

No package advisories have been linked for this product identity.

This is not evidence that the product has no vulnerabilities.

Source evidence

PRIMARYReady

Citrix lifecycle discovery

Product/ Component Name | Version / Model | Language | NSC | EOS | EOM | EOL | NetScaler ADC and Gateway Firmware | 12.1 (GA: 25-May-18) | EN | N/A | N/A | 30-May-22 | 30-May-23

Official vendor lifecycle or product-change property. Extracted records require human review.

First collected 12 Sep 2026 · Last collected 12 Sep 2026 · Review state accepted

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