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...

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...

Code injection

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...

Improper access control

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...

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-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-2020-8300

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...

Citrix Application Delivery Controller and Citrix Gateway - SAML Configuration Reference Guide

This article is intended for customers who have configured their Citrix ADC or Citrix Gateway as SAML IdP Identity Provider or SAML SP Service Provider or both. If Citrix ADC or Citrix Gateway appliances are not upgraded to the recommended versions and if the SAML configuration is not configured...

Citrix ADC Authentication Bypass (CTX261055)

An authentication bypass vulnerability exists in Citrix Application Delivery Controller ADC. An unauthenticated, remote attacker can exploit this, via the web management interface, to bypass authentication and gain administritive access to the appliance. Note that Nessus has not attempted to...

How to remove and restore a Citrix ADC HA pair without causing IP conflict?

How to remove and restore HA pair without causing IP conflict...

Netscaler Notice of Status Change Announcement for Classic Policy Based Features and Functionalities

Citrix Systems, Inc. announces a Notice of Status Change NSC for Citrix ADC Classic policy-based features and functionalities. The dates and milestones provided are in accordance with stated End of Life/End of Support policies for Citrix Systems, Inc. Citrix ADC Features & Functionalities Affecte...

DDoS Attacks Wane in Q4 Amid Cryptomining Resurgence

Distributed denial-of-service DDoS attacks dropped significantly at the end of 2020, down 31 percent in the fourth quarter, according to researchers. The reason? Cybercriminals have switched their efforts and their botnets to cryptomining. According to an analysis from Kaspersky published Tuesday...

DDoS attacks in Q4 2020

News overview Cybercriminals are constantly on the lookout for means and methods to make attacks more destructive. In Q4 2020, Citrix ADC application delivery controller devices became one such tool, when perpetrators abused their DTLS interface. The DTLS Datagram Transport Layer Security protoco...

Fixed an issue in Citrix ADC and Citrix Gateway

Citrix has fixed an issue in ADC and Gateway which can lead to denial-of-service attacks. A malicious party could potentially potentially misuse DTLS to cause a Denial-of-Service. Abuse can only occur when DTLS is enabled. Citrix reports that limited scale attacks are currently being reported whi...

Threat Advisory - DTLS Amplification Distributed Denial of Service Attack on Citrix ADC and Citrix Gateway

Threat Information Citrix is aware of a DDoS attack pattern impacting Citrix ADCand Citrix Gateway. As part of this attack, an attacker or bots can overwhelm the Citrix ADCDTLS network throughput, potentially leading to outbound bandwidth exhaustion. The effect of this attack appears to be more...

Citrix ADC NetScaler Local File Inclusion Exploit

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Citrix ADC NetScaler - Local File Inclusion Metasploit', 'Description' = % The remote device is affected by multiple vulnerabilities. An...

Citrix ADC NetScaler Local File Inclusion

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Citrix ADC NetScaler - Local File Inclusion Metasploit', 'Description' = % The remote device is affected by multiple vulnerabilities. An...

Citrix ADC NetScaler - Local File Inclusion (Metasploit)

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Citrix ADC NetScaler - Local File Inclusion Metasploit', 'Description' = % The remote device is affected by multiple vulnerabilities. An...

CVE-2019-19781 - Verification Tool

Objective The Check-CVE-2019-19781 tool will enable customers to identify AAA and Gateway endpoints on Citrix ADC and Citrix Gateway devices in their deployment that are vulnerable to CVE-2019-19781. Customers are also encouraged to run the tool upon application of the mitigation steps to ensure...