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CVE-2020-8191

MEDIUM
6.1
CVSS Score
Published: July 10, 2020 at 03:38 PM UTC
Updated: June 17, 2026 at 03:26 AM UTC
11 products affected across 1 vendorNetscaler Gateway FirmwareApplication Delivery Controller FirmwareGateway Firmware

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Severity
MEDIUM6.1
Exploit prediction
EPSS 23%

Description

Improper input validation 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 reflected Cross Site Scripting (XSS).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Application Delivery Controller Firmware· Citrix
95%
10.5 ≤ v < 10.5-70.1811.1 ≤ v < 11.1-64.1412.0 ≤ v < 12.0-63.2112.1 ≤ v < 12.1-57.1813.0 ≤ v < 13.0-58.30
Affected range stops below 10.5-70.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.1-64.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.0-63.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.1-57.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.0-58.30, so it looks safe — our inference, not a vendor statement
citrix-application-delivery-controller (same device)
Gateway Firmware· Citrix
95%
13.0 ≤ v < 13.0-58.30
Affected range stops below 13.0-58.30, so it looks safe — our inference, not a vendor statement
citrix-gateway (same device)
Netscaler Gateway Firmware· Citrix
95%
10.5 ≤ v < 10.5-70.1811.1 ≤ v < 11.1-64.1412.0 ≤ v < 12.0-63.2112.1 ≤ v < 12.1-57.18
Affected range stops below 10.5-70.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.1-64.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.0-63.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.1-57.18, so it looks safe — our inference, not a vendor statement
citrix-netscaler-gateway (same device)
Sd WAN Wanop· Citrix
95%
10.2 ≤ v < 10.2.711.0 ≤ v < 11.0.3d11.1 ≤ v < 11.1.1aCitrix ADC and Citrix Gateway 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 11.1.1a, 11.0.3d and 10.2.7
Affected range stops below 10.2.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.0.3d, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.1.1a, so it looks safe — our inference, not a vendor statement
citrix-4000-wo (environment) · citrix-4100-wo (environment) · citrix-5000-wo (environment) · citrix-5100-wo (environment)
Application Delivery Controller· Citrix
60%
Citrix ADC and Citrix Gateway 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 11.1.1a, 11.0.3d and 10.2.7
Gateway· Citrix
60%
Citrix ADC and Citrix Gateway 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 11.1.1a, 11.0.3d and 10.2.7
4000-Wo· Citrixdevice
80%
All versions
4100-Wo· Citrixdevice
80%
All versions
5000-Wo· Citrixdevice
80%
All versions
5100-Wo· Citrixdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.citrix.com/article/CTX276688

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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