CVE-2020-8187

HIGH
7.5
CVSS Score
Published: July 10, 2020 at 03:35 PM UTC
Updated: June 17, 2026 at 03:26 AM UTC
5 products affected across 1 vendorNetscaler Gateway FirmwareApplication Delivery Controller FirmwareNetScaler Gateway

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62.10 allows unauthenticated users to perform a denial of service attack.

Affected

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

11.1 ≤ v < 11.1-63.912.0 ≤ v < 12.0-62.10
Affected range stops below 11.1-63.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.0-62.10, so it looks safe — our inference, not a vendor statement
citrix-application-delivery-controller (same device)
11.1 ≤ v < 11.1-63.912.0 ≤ v < 12.0-62.10
Affected range stops below 11.1-63.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.0-62.10, so it looks safe — our inference, not a vendor statement
citrix-netscaler-gateway (same device)
All versions

Remediation

No guide yet

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

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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