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    CVE-2020-8193

    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.

    Published:Jul 10, 2020
    Last Modified:Oct 30, 2025
    EPS:Jul 10, 2020
    EPSS Score:0.94218
    CVSS Score:6.5

    CISA Notification

    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.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    May 3, 2022
    1592 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Citrix
    Product
    4000-wo
    Vendor
    Citrix
    Product
    4100-wo
    Vendor
    Citrix
    Product
    5000-wo
    Vendor
    Citrix
    Product
    5100-wo
    Vendor
    Citrix
    Product
    Application Delivery Controller Firmware
    Vendor
    Citrix
    Product
    Gateway Firmware
    Vendor
    Citrix
    Product
    Netscaler Gateway Firmware
    Vendor
    Citrix
    Product
    Sd-wan Wanop

    Exploits

    http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.htmlhttp://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.htmlhttps://github.com/Airboi/Citrix-ADC-RCE-CVE-2020-8193https://github.com/ctlyz123/CVE-2020-8193https://github.com/jas502n/CVE-2020-8193https://github.com/PR3R00T/CVE-2020-8193-Citrix-Scannerhttps://github.com/Zeop-CyberSec/citrix_adc_netscaler_lfi

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-114 Authentication Abuse
    CAPEC-115 Authentication Bypass
    CAPEC-151 Identity Spoofing
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-194 Fake the Source of Data
    CAPEC-22 Exploiting Trust in Client
    CAPEC-441 Malicious Logic Insertion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
    CAPEC-578 Disable Security Software
    CAPEC-593 Session Hijacking
    CAPEC-633 Token Impersonation
    CAPEC-650 Upload a Web Shell to a Web Server
    CAPEC-94 Adversary in the Middle (AiTM)

    Related CVEs

    CVE-2021-22919 (CVSS 7.5) — A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (former…
    CVE-2020-8196 (CVSS 4.3) — Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 1…
    CVE-2020-8195 (CVSS 6.5) — Improper input validation in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21,…
    CVE-2020-8198 (CVSS 6.1) — Improper input validation in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21,…
    CVE-2020-8194 (CVSS 6.5) — Reflected code injection in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, …
    CVE-2020-8191 (CVSS 6.1) — Improper input validation in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21,…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High