Citrix.Application.Delivery.Controller.VPNs.Path.Traversal

Description

This indicates an attack attempt to exploit a Directory Traversal Vulnerability in Citrix Application Delivery Controller.
The vulnerability is due to insufficient sanitizing of user supplied inputs. A remote attacker may be able to exploit this to execute arbitrary commands within the context of the application, via a crafted HTTP request.

Outbreak Alert

A recent high profile exploit involing Kaseya VSA product was linked to the REvil ransomware. This report summarizes the Fortinet Security Fabric coverage for the REvil ransomware itself. Refer to the separate report for more detail about the Kaseya vulnerability.

View the full Outbreak Alert Report

Joint Cybersecurity Advisory (CSA) has released the top Common Vulnerabilities and Exposures (CVEs) used since 2020 by Peoples Republic of China (PRC) state-sponsored cyber actors as assessed by the National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), and Federal Bureau of Investigation (FBI). Previously, FortiGuard labs has already published various Outbreaks Alerts included in the released CISA's advisory such as: Apache Log4j, Hikvision Webserver Vulnerability, Atlassian Confluence OGNL RCE Vulnerability, Microsoft Exchange Server RCE Vulnerabilities etc. See the full list at: https://www.fortiguard.com/outbreak-alert Links to dedicated reports on each published outbreak by FortiGuard Labs are added to Additional Resources section below.

View the full Outbreak Alert Report

Affected Products

Citrix ADC and Citrix Gateway version 13.0 all supported builds
Citrix ADC and NetScaler Gateway version 12.1 all supported builds
Citrix ADC and NetScaler Gateway version 12.0 all supported builds
Citrix ADC and NetScaler Gateway version 11.1 all supported builds
Citrix NetScaler ADC and NetScaler Gateway version 10.5 all supported builds

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://support.citrix.com/article/CTX267027

References