Citrix Security Advisory for CVE-2021-44228, CVE-2021-45046, CVE-2021-45105 and CVE-2021-44832.

Citrix is aware offourvulnerabilitiesaffectingApache Log4j2, threeof whichmayallowan attackertoexecute arbitrary code. Thesethreevulnerabilitieshavebeen given the followingidentifiers: CVE-2021-44228 CVE-2021-45046 CVE-2021-44832 Thefourthvulnerabilitymay allowan attackertocause a denial of...

Configuring Citrix SSO on Citrix Gateway for Citrix Endpoint Management

Configuring Citrix SSO on Citrix Gateway for Citrix Endpoint Management For details on how to configure Citrix SSO device policies to achieve per app VPN, please check the below document https://docs.citrix.com/en-us/citrix-endpoint-management/policies/vpn-policy.html This support article covers...

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

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

The vulnerabilities of the Citrix ADC application delivery controller (formerly Citrix NetScaler Application Delivery Controller), the Citrix Gateway virtual environment access control system (formerly Citrix NetScaler Gateway), and the Citrix SD-WAN WANOP network management software are related to authentication process flaws, allowing attackers to gain unauthorized access to protected information.

The vulnerabilities of the Citrix ADC application delivery controller previously called Citrix NetScaler Application Delivery Controller, the Citrix Gateway virtual environment access control system previously called Citrix NetScaler Gateway, and the Citrix SD-WAN WANOP network management softwar...

Citrix gateway plugin executes PowerShell script obfuscated code which might be blocked by Antivirus software

We might see errors somewhat like below in AntiVirus : Event type: Process action blocked Component: Adaptive Anomaly Control Rule name: PowerShell executes obfuscated code Source process: c:\windows\system32\windowspowershell\v1.0\powershell.exe Application : "C:\Program Files\Citrix\Secure Acce...

LDAP Bind Account Requirements for Citrix ADC and Citrix Gateway Authentication Features

When using the Lightweight Directory Access Protocol LDAP for authentication features of Citrix ADC and Citrix Gateway, not all accounts can function as the LDAP bind account. Some minimum requirements are necessary when configuring features that use LDAP Authentication such as Citrix ADC system...

Gateway / AAA : Page stuck at loading (Page Spinning ) after upgrade.

After upgrade when accessing the Citrix Gateway the page is stuck at spinning wheel...

CVE-2021-22927

A session fixation vulnerability exists in Citrix ADC and Citrix Gateway 13.0-82.45 when configured SAML service provider that could allow an attacker to hijack a session...

CVE-2021-22927

A session fixation vulnerability exists in Citrix ADC and Citrix Gateway 13.0-82.45 when configured SAML service provider that could allow an attacker to hijack a session...

CVE-2021-22920

A vulnerability has been discovered in Citrix ADC formerly known as NetScaler ADC and Citrix Gateway formerly known as NetScaler Gateway, and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to a phishing attack through a...

CVE-2021-22920

A vulnerability has been discovered in Citrix ADC formerly known as NetScaler ADC and Citrix Gateway formerly known as NetScaler Gateway, and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to a phishing attack through a...

CVE-2021-22919

A vulnerability has been discovered in Citrix ADC formerly known as NetScaler ADC and Citrix Gateway formerly known as NetScaler Gateway, and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk...

Session fixation

A session fixation vulnerability exists in Citrix ADC and Citrix Gateway 13.0-82.45 when configured SAML service provider that could allow an attacker to hijack a session...

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...

How to Deploy Citrix Gateway Plug-in and Endpoint Analysis Installer Packages for Windows by Using Active Directory Group Policy

This article contains information about deploying the Citrix Gateway Plug-in and Endpoint Analysis EPA Microsoft Installer MSI packages for Windows by using an Active Directory Group Policy. If users do not have administrative privileges to install the Citrix Gateway Plug-in and EPA Plug-in on th...

Vulnerabilities fixed in Citrix ADC, Gateway and SDWAN WAN-OP

Citrix has fixed vulnerabilities in Citrix ADC formerly NetScaler ADC, Gateway formerly NetScaler Gateway and SDWAN WAN-OP. A malicious party could exploit the vulnerabilities to cause a denial-of-service, or gain access to sensitive data by taking over sessions. To cause a Denial-of-Service, the...

OAUTH: " Failed to login the user due to insufficient claims. Please contact your administrator"

Customer has configured Citrix Gateway as OAuth IDP with Workspace in Cloud and after user authentication is completed, users were getting the error as shown below " Failed to login the user due to insufficient claims. Please contact your administrator" The Attributes sent by Citrix Gateway OAuth...

CVE-2020-8299

Citrix ADC and Citrix/NetScaler Gateway 13.0 before 13.0-76.29, 12.1-61.18, 11.1-65.20, Citrix ADC 12.1-FIPS before 12.1-55.238, and Citrix SD-WAN WANOP Edition before 11.4.0, 11.3.2, 11.3.1a, 11.2.3a, 11.1.2c, 10.2.9a suffers from uncontrolled resource consumption by way of a network-based...

CVE-2020-8300

Citrix ADC and Citrix/NetScaler Gateway before 13.0-82.41, 12.1-62.23, 11.1-65.20 and Citrix ADC 12.1-FIPS before 12.1-55.238 suffer from improper access control allowing SAML authentication hijack through a phishing attack to steal a valid user session. Note that Citrix ADC or Citrix Gateway mus...

Exploit for Improper Access Control in Citrix Gateway

Detect Citrix ADC SAML action or SAML iDP Profile config vulnera...