6.5
MEDIUM
CVE-2020-8300
Citrix ADC and Citrix/NetScaler Gateway SAML Authentication Hijack Vulnerability
Description

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 must be configured as a SAML SP or a SAML IdP for this to be possible.

INFO

Published Date :

June 16, 2021, 2:15 p.m.

Last Modified :

Sept. 20, 2022, 5:23 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2020-8300 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-8300 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 gateway
2 Citrix netscaler_gateway
3 Citrix application_delivery_controller_firmware
: Total Affected Vendor : 1 | Products : 3
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-2020-8300.

URL Resource
https://support.citrix.com/article/CTX297155 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).

Profile Photo
soosmile/POC

None

Updated: 4 months, 1 week ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.
Profile Photo
stuartcarroll/CitrixADC-CVE-2020-8300

Detect Citrix ADC SAML action or SAML iDP Profile config vulnerable to CVE-2020-8300 using Citrix ADC NITRO API

PowerShell

Updated: 3 years, 4 months ago
1 stars 3 fork 3 watcher
Born at : June 15, 2021, 7:21 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
n0-traces/cve_monitor

Automatic monitor github cve using Github Actions

Python

Updated: 1 month, 2 weeks ago
1 stars 56 fork 56 watcher
Born at : April 7, 2021, 11:16 a.m. This repo has been linked 1007 different CVEs too.

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

The following list is the news that have been mention CVE-2020-8300 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8300 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
  • Reanalysis by [email protected]

    Sep. 20, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-269
    Added CWE NIST NVD-CWE-Other
  • Initial Analysis by [email protected]

    Jun. 24, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
    Changed Reference Type https://support.citrix.com/article/CTX297155 No Types Assigned https://support.citrix.com/article/CTX297155 Vendor Advisory
    Added CWE NIST CWE-269
    Added CPE Configuration OR *cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:* versions from (including) 12.1 up to (excluding) 12.1-62.23 *cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:* versions from (including) 13.0 up to (excluding) 13.0-82.41 *cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* versions from (including) 11.1 up to (excluding) 11.1-65.20
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 11.1 up to (excluding) 11.1-65.20 *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 12.1 up to (excluding) 12.1-62.23 *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 13.0 up to (excluding) 13.0-82.41 OR cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 12.1 up to (excluding) 12.1-55.238 OR cpe:2.3:h:citrix:mpx\/sdx_14030_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx\/sdx_14060_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx\/sdx_14080_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_15030-50g_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_15040-50g_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_15060-50g_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_15080-50g_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_15100-50g_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_15120-50g_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_8905_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_8910_fips:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:mpx_8920_fips:-:*:*:*:*:*:*:*
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-2020-8300 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-2020-8300 weaknesses.

CAPEC-19: Embedding Scripts within Scripts Embedding Scripts within Scripts CAPEC-441: Malicious Logic Insertion Malicious Logic Insertion CAPEC-478: Modification of Windows Service Configuration Modification of Windows Service Configuration CAPEC-479: Malicious Root Certificate Malicious Root Certificate CAPEC-502: Intent Spoof Intent Spoof CAPEC-503: WebView Exposure WebView Exposure CAPEC-536: Data Injected During Configuration Data Injected During Configuration CAPEC-546: Incomplete Data Deletion in a Multi-Tenant Environment Incomplete Data Deletion in a Multi-Tenant Environment CAPEC-550: Install New Service Install New Service CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-552: Install Rootkit Install Rootkit CAPEC-556: Replace File Extension Handlers Replace File Extension Handlers CAPEC-558: Replace Trusted Executable Replace Trusted Executable CAPEC-562: Modify Shared File Modify Shared File CAPEC-563: Add Malicious File to Shared Webroot Add Malicious File to Shared Webroot CAPEC-564: Run Software at Logon Run Software at Logon CAPEC-578: Disable Security Software Disable Security Software
Exploit Prediction

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

0.08 }} 0.00%

score

0.30454

percentile

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