9.8
CRITICAL
CVE-2019-18225
Citrix NetScaler Authentication Bypass Vulnerability
Description

An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway before 10.5 build 70.8, 11.x before 11.1 build 63.9, 12.0 before build 62.10, 12.1 before build 54.16, and 13.0 before build 41.28. An attacker with management-interface access can bypass authentication to obtain appliance administrative access. These products formerly used the NetScaler brand name.

INFO

Published Date :

Oct. 21, 2019, 6:15 p.m.

Last Modified :

Aug. 24, 2020, 5:37 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-18225 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Citrix application_delivery_controller_firmware
2 Citrix netscaler_gateway_firmware
3 Citrix gateway_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-18225.

URL Resource
https://support.citrix.com/article/CTX261055 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-18225 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-18225 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-287 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Oct. 24, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.citrix.com/article/CTX261055 No Types Assigned https://support.citrix.com/article/CTX261055 Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:application_delivery_controller_firmware:10.5:*:*:*:*:*:*:* *cpe:2.3:o:citrix:application_delivery_controller_firmware:11.1:*:*:*:*:*:*:* *cpe:2.3:o:citrix:application_delivery_controller_firmware:12.0:*:*:*:*:*:*:* *cpe:2.3:o:citrix:application_delivery_controller_firmware:12.1:*:*:*:*:*:*:* *cpe:2.3:o:citrix:application_delivery_controller_firmware:13.0:*:*:*:*:*:*:* OR cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:netscaler_gateway_firmware:10.5:*:*:*:*:*:*:* *cpe:2.3:o:citrix:netscaler_gateway_firmware:11.1:*:*:*:*:*:*:* *cpe:2.3:o:citrix:netscaler_gateway_firmware:12.0:*:*:*:*:*:*:* *cpe:2.3:o:citrix:netscaler_gateway_firmware:12.1:*:*:*:*:*:*:* OR cpe:2.3:h:citrix:netscaler_gateway:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:gateway_firmware:13.0:*:*:*:*:*:*:* OR cpe:2.3:h:citrix:gateway:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-18225 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-18225 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.22 }} -0.09%

score

0.60156

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability