CVE-2024-5491

CVE-2024-5491 affects Citrix NetScaler ADC and NetScaler Gateway. The security bulletin CTX677944 details that the following ranges are vulnerable when using affected builds: NetScaler ADC/Gateway 14.1 before 14.1-25.53; 13.1 before 13.1-53.17; 13.0 before 13.0-92.31; 13.1-FIPS before 13.1-37.183...

CVE-2024-5492

CVE-2024-5492 is a real open redirect vulnerability in Citrix NetScaler ADC and NetScaler Gateway (remote unauthenticated attacker) described in the CTX677944 advisory. Affected versions include NetScaler ADC/Gateway 14.1 before 14.1-25.53, 13.1 before 13.1-53.17, 13.0 before 13.0-92.31, 13.1-FIP...

CVE-2024-8534

Summary: CVE-2024-8534 is a memory safety vulnerability in Citrix NetScaler ADC and NetScaler Gateway that can cause memory corruption and Denial of Service when the device is configured as a Gateway/VPN Vserver with RDP features enabled (or with an RDP Proxy Server Profile) or when the Auth Serv...

CVE-2023-3519

CVE-2023-3519 is an unauthenticated remote code execution in Citrix NetScaler ADC/Gateway. Exploitation enables an attacker with network access to run arbitrary code, potentially deploy web shells and fully compromise affected systems. Public advisories and multiple connected documents describe a...

CVE-2023-4966

CVE-2023-4966 affects Citrix NetScaler ADC and NetScaler Gateway when configured as a Gateway or AAA virtual server. The issue stems from improper usage of snprintf/memory handling in the WebProc/auth pathways, causing memory disclosure via crafted responses and exposing sensitive data (e.g., aut...

CVE-2023-6549

CVE-2023-6549 : A memory-buffer boundary violation in Citrix NetScaler ADC and NetScaler Gateway allows unauthenticated denial of service and an out-of-bounds memory read when the appliance is configured as a gateway or AAA virtual server. Affected versions include NetScaler ADC/Gateway 14.1 befo...

CVE-2025-7775

CVE-2025-7775 is a memory overflow vulnerability in Citrix NetScaler ADC and NetScaler Gateway. The CVE affects deployments where the appliance is configured as a Gateway (VPN VServer, ICA Proxy, CVPN, RDP Proxy) or AAA VServer, and also affects LB virtual servers of type HTTP, SSL, or HTTP_QUIC ...

CVE-2025-5777

CVE-2025-6543 is a memory overflow vulnerability in Citrix NetScaler ADC and NetScaler Gateway that can cause unintended control flow and Denial of Service when the appliance is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. The Citrix security bulle...

CVE-2026-19490

CVE-2026-19490 is an authentication bypass (CWE-288) in NetScaler ADC and NetScaler Gateway (versions 14.1 before 14.1-73.32 and 13.1 before 13.1-63.21). The root cause lies in the SAML HTTP-Redirect binding handler at /cgi/samlauth, which parses assertions with the strict flag cleared —unlike th...

CVE-2023-6548

CVE-2023-6548 is a Code Injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway. The issue allows authenticated remote code execution on the management interface (NSIP/CLIP/SNIP) due to improper generation of code, affecting the management plane. Exploitation has been observed in th...

CVE-2026-8452

CVE-2026-8452 is a heap overflow in NetScaler ADC/Gateway memory handling (CWE-119), exploitable unauthenticated to crash or take control of appliances configured as Gateways or AAA servers. A public PoC achieves pre-auth RCE on version 13.1-30.52. Affected: 14.1 before 14.1-72.61 and 13.1 before...

CVE-2025-6543

CVE-2025-6543 affects Citrix NetScaler ADC and NetScaler Gateway. The vulnerability is a memory overflow in the WebProc/AAA gateway flow triggered when processing the Host header via the /nf/auth/startwebview.do path, causing uncontrolled memory access that can lead to a Denial of Service and uni...

CVE-2023-4967

NetScaler ADC and NetScaler Gateway are affected by a buffer-related vulnerability (CVE-2023-4967 ) that can lead to a Denial of Service (DoS) . The issue occurs when these appliances are configured as a Gateway (supporting VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or as an AAA Virtual Serv...

CVE-2025-5349

CVE-2025-5349 affects Citrix NetScaler ADC and NetScaler Gateway via Improper access control on the NetScaler Management Interface. The Citrix security bulletin CTX693420 documents affected versions and fixes: upgrade to 14.1-43.56 or later, 13.1-58.32 or later (and 13.1-FIPS/13.1-NDcPP 37.235 an...

CVE-2023-3467

A privilege escalation vulnerability exists in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway). This flaw allows an attacker with authenticated access to the NSIP or SNIP with management interface access to elevate their privileges to root administrator (nsroot...

CVE-2026-10816

CVE-2026-10816 affects NetScaler ADC and NetScaler Gateway. The issue is an Arbitrary File Read that is unauthenticated when access to NSIP, Cluster Management IP or SNIP with management access is enabled. According to the sources, the vulnerability allows read access to files, impacting confiden...

CVE-2026-3055

CVE-2026-3055 affects Citrix NetScaler ADC/NetScaler Gateway when configured as a SAML IDP, causing a memory overread due to insufficient input validation. Affected versions per Nessus plugin: NetScaler ADC/Gateway 14.1 prior to 14.1-66.59; 13.1 prior to 13.1-62.23; and 13.1-FIPS/NDcPP prior to 1...

CVE-2026-8451

CVE-2026-8451 is a memory overread vulnerability in Citrix NetScaler ADC and NetScaler Gateway when configured as a SAML IdP. The issue arises from insufficient input validation, related to the /saml/login path, enabling an unauthenticated attacker to read memory and potentially leak sensitive da...

CVE-2023-3466

A Reflected Cross-Site Scripting (XSS) vulnerability exists in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway). An attacker can exploit this by inducing a victim to access an attacker-controlled link via a browser while connected to a network with connectivity ...

CVE-2026-8655

CVE-2026-8655 corresponds to multiple memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway that can cause unpredictable behavior and DoS when the appliance is used as an Oracle load balancer, a DNS Proxy, or a DNS recursive resolver. The NVD/NIST entry and multiple security advi...

CVE-2026-13474

The CVE-2026-13474 vulnerability affects NetScaler ADC and NetScaler Gateway when HTTP/2 is enabled in an HTTP Profile and tied to a virtual server (LB, CS, VPN) or its service. It allows denial of service via malformed HTTP/2 requests, impacting availability. CVSS v4.0 base score 8.7 (HIGH) with...

CVE-2021-22919

CVE-2021-22919 affects Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP Edition appliances. The vulnerability could exhaust available disk space. Affected versions (per CTX319135) include WANOP: 10.2 before 10.2.9.b, 11.2 before 11.2.3.b, 11.3 before 11.3.2.a, 11.4 before 11.4.0.a; ADC/Gateway...

CVE-2026-88771

Citrix NetScaler ADC and NetScaler Gateway are vulnerable to a critical improper input validation vulnerability (CWE-20). This flaw allows an unauthenticated attacker to execute arbitrary commands remotely. The issue impacts all deployments, including those in default configuration , with no addi...

CVE-2025-7776

CVE-2025-7776 is a memory overflow vulnerability in Citrix NetScaler ADC/NetScaler Gateway. Affected when Gateway or AAA Vservers are used and a PCoIP Profile is bound to the NetScaler, enabling memory corruption that leads to unpredictable behavior and Denial of Service. Remediation requires upg...

CVE-2018-5314

CVE-2018-5314 affects Citrix NetScaler ADC and NetScaler Gateway (11.0/11.1/12.0) and the NetScaler LB instance in SD-WAN/CloudBridge 9.3.0, allowing a remote attacker to execute system commands or read files via an SSH login prompt. Affected versions and fixes are documented in Citrix advisories...

CVE-2021-22927

CVE-2021-22927 affects Citrix ADC and Citrix Gateway when configured as a SAML Service Provider. The vulnerability is a session fixation flaw that could allow an attacker to hijack a user session. Affected versions include Citrix ADC/Gateway 13.0 before 13.0-82.45 (and older 12.1/11.1 lines as li...

CVE-2024-8535

Affected products: Citrix NetScaler ADC and NetScaler Gateway. Vulnerability: Authenticated users can access unintended user capabilities when the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) with Kerberos SSO using a KCDAccount, or as an Auth Server (AAA Vserver) wi...

CVE-2020-8300

CVE-2020-8300 affects Citrix ADC and Citrix NetScaler Gateway (multiple versions) and enables SAML authentication hijack via phishing to steal a valid user session when the appliance is configured as a SAML SP or IdP. Affected versions include 13.0-82.41, 12.1-62.23, 11.1-65.20 and 12.1-FIPS befo...

CVE-2020-8299

CVE-2020-8299 affects Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP Edition with a network-based DoS caused by uncontrolled resource consumption within the same Layer 2 segment. Affected versions listed in public disclosures include Citrix ADC/Gateway 13.0 before 13.0-76.29, 12.1 before 12....

CVE-2026-10817

CVE-2026-10817 is an “insufficient input validation leading to memory overread” affecting Citrix NetScaler ADC and NetScaler Gateway when TCP TimeStamp is enabled in the TCP profile and attached to a virtual server (LB, CS, VPN) or the service. Public sources consistently describe the root cause ...

CVE-2026-88772

A memory overflow vulnerability (CWE-119) in the DTLS record handling routine on UDP/443 allows unauthenticated Remote Code Execution (RCE) or Denial of Service (DoS) in Citrix NetScaler ADC and NetScaler Gateway . The flaw is triggered by processing malformed DTLS packets; notably, DTLS is enabl...

CVE-2020-8246

Vulnerability summary (CVE-2020-8246) : A DoS vulnerability in Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP is triggered by an attack originating from the management network. Affected versions include Citrix ADC and Gateway 13.0-64.35 and later, 12.1-58.15 and later, 12.1-FIPS 12.1-55.187 ...

CVE-2026-88778

Citrix NetScaler ADC and NetScaler Gateway are vulnerable to a TCP Initial Sequence Number (ISN) prediction flaw. The issue affects appliances with TCP-based virtual servers (such as HTTP, SSL, or TCP) where Enhanced ISN Generation is disabled. This vulnerability allows for predictable sequence n...

CVE-2020-8245

Citrix advisory CTX281474 details CVE-2020-8245 affecting Citrix ADC, Citrix Gateway, and related SD-WAN WANOP appliances. Root cause: HTML Injection due to improper input validation in the SSL VPN web portal. Impact: HTML content injection by an authenticated victim who must open an attacker-con...

CVE-2015-3642

Technical details for CVE-2015-3642 are not publicly available in the provided documents; monitor for updates.

CVE-2020-8247

CVE-2020-8247 affects Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP where the vulnerability resides in the management interface and allows escalation of privileges (CWE-269). Affected versions include Citrix ADC/Gateway 13.0-64.35+, 12.1-58.15+, 12.1-FIPS 12.1-55.187+, 11.1-65.12+, 11.2.1a+...

CVE-2026-88773

CVE-2026-88773 involves an HTTP request smuggling vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway . The flaw affects appliances with load balancing, content switching, VPN, or authentication virtual servers of type HTTP or SSL. Impacted versions include ADC before 14.1-73.37, 1...

CVE-2026-88775

CVE-2026-88775 is a memory overflow vulnerability affecting Citrix NetScaler ADC and Citrix NetScaler Gateway . The flaw leads to unpredictable behavior or a Denial of Service (DoS) . It specifically impacts systems configured as a Gateway (including SSL VPN, ICA Proxy, CVPN, and RDP Proxy) or as...

CVE-2026-88774

CVE-2026-88774 is a policy bypass vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway caused by improper HTTP URL based expression usage. The flaw affects appliances where any policy utilizes these expressions. To remediate, users should upgrade to NetScaler ADC/Gateway 14.1-73.37 ...

CVE-2026-88777

A memory overflow vulnerability exists in Citrix NetScaler ADC and Citrix NetScaler Gateway , leading to unpredictable behavior or a Denial of Service (DoS) . The flaw specifically impacts configurations as an LB/CS or CGNAT-LSN/NAT64 device where a non-HTTP Layer 7 protocol (such as FTP , RTSP ,...

CVE-2026-88776

A memory overflow vulnerability exists in Citrix NetScaler ADC and Citrix NetScaler Gateway affecting the Oracle type load balancing virtual server configuration. This flaw can lead to unpredictable or erroneous behavior or a Denial of Service (DoS) . The vulnerability is applicable to the follow...