Known Exploited Vulnerability
6.5
MEDIUM
CVE-2020-8193
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Au - [Actively Exploited]
Description

Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows unauthenticated access to certain URL endpoints.

INFO

Published Date :

July 10, 2020, 4:15 p.m.

Last Modified :

Sept. 20, 2022, 5:52 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

2.5

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an authorization bypass vulnerability that may allow unauthenticated access to certain URL endpoints. The attacker must have access to the NetScaler IP (NSIP) in order to perform exploitation.

Required Action :

Apply updates per vendor instructions.

Public PoC/Exploit Available at Github

CVE-2020-8193 has a 43 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-2020-8193 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 sd-wan_wanop
4 Citrix gateway_firmware
: Total Affected Vendor : 1 | Products : 4
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-2020-8193.

URL Resource
http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.html Exploit Third Party Advisory VDB Entry
https://support.citrix.com/article/CTX276688 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
lions2012/Penetration_Testing_POC

渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 1 month, 2 weeks ago
4 stars 0 fork 0 watcher
Born at : Feb. 7, 2024, 2:08 p.m. This repo has been linked 305 different CVEs too.
Profile Photo
d4n-sec/d4n-sec.github.io

None

CSS HTML JavaScript

Updated: 7 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.
Profile Photo
HimmelAward/Goby_POC

在公网收集的gobypoc+部分自己加的poc

Updated: 1 week, 5 days ago
96 stars 5 fork 5 watcher
Born at : July 28, 2023, 4:28 p.m. This repo has been linked 296 different CVEs too.
Profile Photo
ipcis/Citrix_ADC_Gateway_Check

None

Python

Updated: 1 year, 8 months ago
1 stars 0 fork 0 watcher
Born at : Dec. 31, 2022, 4:16 p.m. This repo has been linked 5 different CVEs too.
Profile Photo
20142995/Goby

None

Python

Updated: 1 week, 3 days ago
565 stars 135 fork 135 watcher
Born at : Nov. 25, 2022, 5:20 a.m. This repo has been linked 174 different CVEs too.
Profile Photo
xuetusummer/Penetration_Testing_POC

None

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 2 months ago
6 stars 3 fork 3 watcher
Born at : Nov. 25, 2022, 2:30 a.m. This repo has been linked 270 different CVEs too.
Profile Photo
aymankhder/Windows-Penetration-Testing

None

Updated: 1 year, 3 months ago
1 stars 0 fork 0 watcher
Born at : Nov. 19, 2022, 3:15 a.m. This repo has been linked 23 different CVEs too.
Profile Photo
readloud/Awesome-Stars

A curated list of my GitHub stars! Generated by starred

Updated: 9 months, 1 week ago
1 stars 0 fork 0 watcher
Born at : Oct. 8, 2022, 12:38 p.m. This repo has been linked 62 different CVEs too.
Profile Photo
merlinepedra/nuclei-templates

None

Updated: 2 years, 2 months ago
0 stars 0 fork 0 watcher
Born at : July 6, 2022, 8:40 a.m. This repo has been linked 157 different CVEs too.
Profile Photo
merlinepedra25/nuclei-templates

None

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : July 6, 2022, 8:40 a.m. This repo has been linked 153 different CVEs too.
Profile Photo
soosmile/POC

None

Updated: 2 months, 3 weeks 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
xbl2022/awesome-hacking-lists

None

Updated: 2 years, 4 months ago
0 stars 0 fork 0 watcher
Born at : April 30, 2022, 6:06 p.m. This repo has been linked 55 different CVEs too.
Profile Photo
Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 1 week, 4 days ago
516 stars 32 fork 32 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1181 different CVEs too.
Profile Photo
ZTK-009/Penetration_PoC

None

Assembly Python Shell PHP C++ C Go

Updated: 1 week, 4 days ago
1 stars 0 fork 0 watcher
Born at : April 8, 2022, 10:20 a.m. This repo has been linked 126 different CVEs too.
Profile Photo
winterwolf32/CVE-S---Penetration_Testing_POC-

None

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 4 months, 4 weeks ago
11 stars 10 fork 10 watcher
Born at : Jan. 27, 2022, 9:53 a.m. This repo has been linked 193 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-2020-8193 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8193 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-862
    Added CWE NIST CWE-287
  • Modified Analysis by [email protected]

    Jun. 04, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.html No Types Assigned http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.html Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Nov. 13, 2020

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 13, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
    Changed Reference Type https://support.citrix.com/article/CTX276688 No Types Assigned https://support.citrix.com/article/CTX276688 Vendor Advisory
    Added CWE NIST CWE-862
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 10.5 up to (excluding) 10.5-70.18 *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 11.1 up to (excluding) 11.1-64.14 *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 12.0 up to (excluding) 12.0-63.21 *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 12.1 up to (excluding) 12.1-57.18 *cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* versions from (including) 13.0 up to (excluding) 13.0-58.30 OR cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* versions from (including) 10.5 up to (excluding) 10.5-70.18 *cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* versions from (including) 11.1 up to (excluding) 11.1-64.14 *cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* versions from (including) 12.0 up to (excluding) 12.0-63.21 *cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* versions from (including) 12.1 up to (excluding) 12.1-57.18 OR cpe:2.3:h:citrix:netscaler_gateway:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:gateway_firmware:*:*:*:*:*:*:*:* versions from (including) 13.0 up to (excluding) 13.0-58.30 OR cpe:2.3:h:citrix:gateway:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:* versions from (including) 10.2 up to (excluding) 10.2.7 *cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.0.3d *cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:* versions from (including) 11.1 up to (excluding) 11.1.1a OR cpe:2.3:h:citrix:4000-wo:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:4100-wo:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:5000-wo:-:*:*:*:*:*:*:* cpe:2.3:h:citrix:5100-wo:-:*:*:*:*:*:*:*
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-2020-8193 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-2020-8193 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 CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data Utilizing REST's Trust in the System Resource to Obtain Sensitive Data CAPEC-94: Adversary in the Middle (AiTM) Adversary in the Middle (AiTM) CAPEC-114: Authentication Abuse Authentication Abuse CAPEC-115: Authentication Bypass Authentication Bypass CAPEC-151: Identity Spoofing Identity Spoofing CAPEC-194: Fake the Source of Data Fake the Source of Data CAPEC-593: Session Hijacking Session Hijacking CAPEC-633: Token Impersonation Token Impersonation CAPEC-650: Upload a Web Shell to a Web Server Upload a Web Shell to a Web Server
Exploit Prediction

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

97.46 }} 3.55%

score

0.99950

percentile

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