The vulnerability of Citrix ADC application delivery controllers (formerly known as Citrix NetScaler Application Delivery Controller), as well as Citrix Gateway access control systems (formerly known as Citrix NetScaler Gateway), stems from insufficient verification of data authenticity. This allows attackers to gain access to servers configured in RDP proxy mode.

The vulnerability of Citrix ADC application delivery controllers formerly known as Citrix NetScaler Application Delivery Controller and Citrix Gateway access control systems formerly known as Citrix NetScaler Gateway is related to insufficient data authentication checks. Exploiting this...

Thousands of Citrix Servers Still Unpatched for Critical Vulnerabilities

Thousands of Citrix Application Delivery Controller ADC and Gateway endpoints remain vulnerable to two critical security flaws disclosed by the company over the last few months. The issues in question are CVE-2022-27510 and CVE-2022-27518 CVSS scores: 9.8, which were addressed by the virtualizati...

CVE-2019-18177

In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is a configured SSL VPN endpoint. This affects Citrix ADC and Citrix Gateway 13.0-58.30 and later releases before the CTX276688 update...

CVE-2019-18177

In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is a configured SSL VPN endpoint. This affects Citrix ADC and Citrix Gateway 13.0-58.30 and later releases before the CTX276688 update...

Information disclosure

In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is a configured SSL VPN endpoint. This affects Citrix ADC and Citrix Gateway 13.0-58.30 and later releases before the CTX276688 update...

CVE-2019-18177

In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is a configured SSL VPN endpoint. This affects Citrix ADC and Citrix Gateway 13.0-58.30 and later releases before the CTX276688 update...

CVE-2019-18177

CVE-2019-18177 affects Citrix ADC and Citrix Gateway (13.0-58.30 and later prior to CTX276688 update). The issue is an information disclosure exploitable by an authenticated VPN user when a configured SSL VPN endpoint exists. The root cause is exposure of protected information via the SSL VPN end...

CVE-2019-18177

In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is a configured SSL VPN endpoint. This affects Citrix ADC and Citrix Gateway 13.0-58.30 and later releases before the CTX276688 update...

[NetScaler] SDX reports "Appliance is running in grace" Error

SDX has instance license CNSINSTCCS checked from ADM. And SDX may report error "Appliance is running in grace. System will loose capacity after XYZ hours"...

Failed to add admin accounts to the citrixstorefrontadministrator local group

In the installation log, there are the error： 2022/11/8 16:04:535084Information CreateAccountGroup:GroupName=CitrixStoreFrontAdministrators GroupDesc=允许使用Citrix Replication Service的用户、组和计算机。 2022/11/8 16:04:535084Error AccountHelper::CreateAccountGroup Exception caught creating account group:...

exploits

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Citrix Endpoint Management (aka XenMobile Server) 10.14.0 Rolling Patch 9

Package name: xms10.14.0.10942.bin For: XenMobile Server 10.14.0 Deployment type: On-premises only Replaces: xms10.14.0.10813.bin, xms10.14.0.10742.bin, xms10.14.0.10628.bin, xms10.14.0.10521.bin, xms10.14.0.10424.bin, xms10.14.0.10303.bin, xms10.14.0.10206.bin, and xms10.14.0.10118.bin. Date:...

Citrix Hypervisor Security Bulletin for CVE-2022-3643, CVE-2022-42328 & CVE-2022-42329

Several security issues have been identified in Citrix Hypervisor 8.2 LTSR CU1, each of which may allow a privileged user in a guest VM to cause the host to become unresponsive or crash. These issues have the following CVE identifiers: CVE-2022-3643 CVE-2022-42328 CVE-2022-42329...

The vulnerability of the Citrix ADC application delivery controller (formerly Citrix NetScaler Application Delivery Controller) and the Citrix Gateway access control system (formerly Citrix NetScaler Gateway) allows a perpetrator to execute arbitrary code.

The vulnerability of the Citrix ADC application delivery controller formerly Citrix NetScaler Application Delivery Controller and the Citrix Gateway access control system formerly Citrix NetScaler Gateway is related to insufficient resource control during its existence. Exploiting this...

Clean up stale Azure AD devices with script

Under normal circumstances, when powering off Azure Active Directory AAD joined non-persistent VM, MCS agent inside VM will perform Azure AD leave and remove device record from Azure Active Directory. Occasionally, the action may fail, it will leave stale device in Azure AD. Recently, Azure AD...

Microsoft Security Update Validation Report December 2022

Microsoft’s December 2022 security updates have passed Citrix testing the updates are listed below. The testing is not all-inclusive; all tests are executed against English only environments and issues may still be found upon implementation. Follow best practices for testing and installing softwa...

Threat Source newsletter (Dec. 15, 2022): Talos Year in Review is here

Welcome to this weeks edition of the Threat Source newsletter. Its the most wonderful time of the year, and Im not talking about the holidays. The inaugural 2022 Talos Year in Review is here! And its taking over the final Threat Source newsletter of the year. Oh and did we mention were on Mastodo...

Citrix ADC and Gateway Zero-Day Vulnerability Exploited by APT5

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Patch Tuesday for December tackles two zero-day vulnerabilities, one of which is being actively exploited CVE-2022-44698 and another that was publicly disclosed at the time of release CVE-2022-44710, alo...

Hackers Actively Exploiting Citrix ADC and Gateway Zero-Day Vulnerability

The U.S. National Security Agency NSA on Tuesday said a threat actor tracked as APT5 has been actively exploiting a zero-day flaw in Citrix Application Delivery Controller ADC and Gateway to take over affected systems. The critical remote code execution vulnerability, identified as CVE-2022-27518...

Driver Disk for Microsemi smartpqi 2.1.20-035 - For Citrix Hypervisor 8.2 LTSR

Who Should Install this Driver Disk? Customers running the Citrix Hypervisor 8.2 LTSR release who use Microsemi's smartpqi driver and wish to use the latest version of the following: Driver Module| Version ---|--- smartpqi| 2.1.20-035 Issues Resolved In this Driver Disk Includes general...