Citrix threat watch

Citrix and NetScaler CVE coverage for ADC, Gateway, remote access, virtualization, and application delivery exposure.

Vendor watch hub

What this page covers

The Citrixwatch hub is a vendor-specific view inside ITECS MSP Threat Radar. We pull the latest security advisories, incidents, and known-exploited CVEs directly from the official feeds below, score each one for MSP relevance, and surface what's most likely to need attention this week.

  • Confirm whether recent Citrix activity overlaps with your environment.
  • Prioritize advisories by MSP-relevance score, severity, and status.
  • Turn the signal into an assessment, briefing, or managed-service engagement with ITECS.

At a glance

Tracked

23

Active

22

Featured

22

Unique CVEs

20

Most recent entry

Mar 29, 2026, 7:00 PM

Feed refreshes daily · 5:15 a.m. Central

Sources·CISA KEV and NVD (product vendor coverage)

"Most recent entry" is the newest item the upstream feed has published — not our sync time.

Watch items

Recent Citrix watch items

Showing the 20 most recent items, newest first. Each row links to the official advisory.

20 rows · sorted newest first

Operations view

Citrix NetScaler Out-of-Bounds Read Vulnerability

critical
activeCISA KEVCVE-2026-3055

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.

Mar 29, 2026, 7:00 PMOfficial source

Citrix NetScaler Memory Overflow Vulnerability

critical
activeCISA KEVCVE-2025-7775

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

Aug 25, 2025, 7:00 PMOfficial source

Citrix Session Recording Deserialization of Untrusted Data Vulnerability

critical
activeCISA KEVCVE-2024-8069

Citrix Session Recording contains a deserialization of untrusted data vulnerability that allows limited remote code execution with privilege of a NetworkService Account access. Attacker must be an authenticated user on the same intranet as the session recording server.

Aug 24, 2025, 7:00 PMOfficial source

Citrix Session Recording Improper Privilege Management Vulnerability

critical
activeCISA KEVCVE-2024-8068

Citrix Session Recording contains an improper privilege management vulnerability that could allow for privilege escalation to NetworkService Account access. An attacker must be an authenticated user in the same Windows Active Directory domain as the session recording server domain.

Aug 24, 2025, 7:00 PMOfficial source

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

critical
activeCISA KEVCVE-2025-5777

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. Known ransomware use: Known.

Jul 9, 2025, 7:00 PMOfficial source

Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability

critical
activeCISA KEVCVE-2025-6543

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.

Jun 29, 2025, 7:00 PMOfficial source

Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

critical
activeCISA KEVCVE-2023-6549

Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for a denial-of-service when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.

Jan 16, 2024, 6:00 PMOfficial source

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

critical
activeCISA KEVCVE-2023-6548

Citrix NetScaler ADC and NetScaler Gateway contain a code injection vulnerability that allows for authenticated remote code execution on the management interface with access to NSIP, CLIP, or SNIP.

Jan 16, 2024, 6:00 PMOfficial source

Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

critical
activeCISA KEVCVE-2023-4966

Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for sensitive information disclosure when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. Known ransomware use: Known.

Oct 17, 2023, 7:00 PMOfficial source

Citrix Content Collaboration ShareFile Improper Access Control Vulnerability

critical
activeCISA KEVCVE-2023-24489

Citrix Content Collaboration contains an improper access control vulnerability that could allow an unauthenticated attacker to remotely compromise customer-managed ShareFile storage zones controllers.

Aug 15, 2023, 7:00 PMOfficial source

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

critical
activeCISA KEVCVE-2023-3519

Citrix NetScaler ADC and NetScaler Gateway contains a code injection vulnerability that allows for unauthenticated remote code execution. Known ransomware use: Known.

Jul 18, 2023, 7:00 PMOfficial source

Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability

critical
activeCISA KEVCVE-2022-27518

Citrix Application Delivery Controller (ADC) and Gateway, when configured with SAML SP or IdP configuration, contain an authentication bypass vulnerability that allows an attacker to execute code as administrator.

Dec 12, 2022, 6:00 PMOfficial source

Citrix SD-WAN and NetScaler Command Injection Vulnerability

critical
activeCISA KEVCVE-2019-12991

Authenticated Command Injection in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance.

Mar 24, 2022, 7:00 PMOfficial source

Citrix SD-WAN and NetScaler SQL Injection Vulnerability

critical
activeCISA KEVCVE-2019-12989

Citrix SD-WAN and NetScaler SD-WAN allow SQL Injection.

Mar 24, 2022, 7:00 PMOfficial source

Citrix ShareFile Improper Access Control Vulnerability

critical
activeCISA KEVCVE-2021-22941

Improper Access Control in Citrix ShareFile storage zones controller may allow an unauthenticated attacker to remotely compromise the storage zones controller. Known ransomware use: Known.

Mar 24, 2022, 7:00 PMOfficial source

Citrix StoreFront Server XML External Entity (XXE) Processing Vulnerability

critical
activeCISA KEVCVE-2019-13608

Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information. Known ransomware use: Known.

Nov 2, 2021, 7:00 PMOfficial source

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass Vulnerability

critical
activeCISA KEVCVE-2020-8193

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an authorization bypass vulnerability that may allow unauthenticated access to certain URL endpoints. The attacker must have access to the NetScaler IP (NSIP) in order to perform exploitation.

Nov 2, 2021, 7:00 PMOfficial source

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure Vulnerability

critical
activeCISA KEVCVE-2020-8195

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an information disclosure vulnerability.

Nov 2, 2021, 7:00 PMOfficial source

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability

critical
activeCISA KEVCVE-2019-19781

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution. Known ransomware use: Known.

Nov 2, 2021, 7:00 PMOfficial source

Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability

critical
activeCISA KEVCVE-2019-11634

Citrix Workspace Application and Receiver for Windows contains remote code execution vulnerability resulting from local drive access preferences not being enforced into the clients' local drives. Known ransomware use: Known.

Nov 2, 2021, 7:00 PMOfficial source

Related vendors

Other security vendors in the radar

Vendor watch FAQ

Common questions

What is the Citrix threat watch page?

It is the Citrix-specific view inside ITECS Threat Radar, built to track recent advisories, incidents, and watch items that may affect Dallas-area business operations.

How should teams use the Citrix watch page?

Use it to confirm whether current Citrix issues overlap with your environment, prioritize remediation, and decide whether you need an assessment, managed security follow-through, or vendor-specific hardening work.

Can ITECS help respond to Citrix security issues?

Yes. ITECS can help map Citrix advisories against your systems, validate affected services, prioritize remediation, and connect the issue to broader managed cybersecurity or managed IT workflows.