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Vulnerability Assessment

Impact

CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 0.23%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAI

Unspecified vulnerability in the management GUI in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 9.3-66.5 and 10.x before 10.1-122.17 has unspecified impact and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

Unspecified vulnerability in the management GUI in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 9.3-66.5 and 10.x before 10.1-122.17 has unspecified impact and vectors, related to certificate validation. Affected products include: Citrix Netscaler Access Gateway Firmware, Citrix Netscaler Application Delivery Controller Firmware, Citrix Netscaler Access Gateway, Citrix Netscaler Application Delivery Controller. Version information: before 9.3.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 10.0 CRITICAL
AV:N/AC:L/Au:N/C:C/I:C/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
C
Integrity
C
Availability
C

DescriptionCVE.org

Unspecified vulnerability in the management GUI in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway before 9.3-66.5 and 10.x before 10.1-122.17 has unspecified impact and vectors, related to certificate validation.

Threat Intelligence Overview

EPSS Score
0.2%
Top 55% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +50
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:o:citrix:netscaler_access_gateway_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:citrix:netscaler_access_gateway:-:-:enterprise:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_access_gateway_firmware:9.3:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:10.1:*:*:*:*:*:*:*
cpe:2.3:h:citrix:netscaler_application_delivery_controller:-:*:*:*:*:*:*:*
CVE-2023-3519 CRITICAL POC
9.8 Jul 19

Citrix NetScaler ADC and Gateway contain an unauthenticated remote code execution vulnerability exploited massively in s

CVE-2023-4966 HIGH POC
7.5 Oct 10

Sensitive information disclosure in Citrix NetScaler ADC and NetScaler Gateway - widely known as 'Citrix Bleed' - allows

CVE-2025-5777 CRITICAL POC
9.3 Jun 17

Memory overread in Citrix NetScaler ADC and NetScaler Gateway (versions before 14.1-43.56 and 13.1-58.32) lets remote un

CVE-2026-19490 CRITICAL POC
9.3 Aug 19

Unauthenticated information disclosure in Citrix NetScaler ADC and NetScaler Gateway (versions 14.1 before 73.32 and 13.

CVE-2025-6543 CRITICAL POC
9.8 Jun 25

Citrix NetScaler ADC and Gateway contain a memory overflow vulnerability (CVE-2025-6543, CVSS 9.8) leading to unintended

CVE-2026-8452 HIGH POC
8.8 Jun 30

Denial of service and memory corruption in Citrix NetScaler ADC and NetScaler Gateway allows remote unauthenticated atta

CVE-2026-8451 HIGH POC
8.8 Jun 30

Memory overread in Citrix NetScaler ADC and NetScaler Gateway lets remote attackers read out-of-bounds memory when the a

CVE-2025-5349 HIGH POC
8.8 Jun 17

Improper access control vulnerability in NetScaler ADC and NetScaler Gateway management interfaces that allows unauthent

CVE-2023-4967 HIGH POC
7.5 Oct 27

Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CV

CVE-2014-2881 CRITICAL
10.0 May 01

Unspecified vulnerability in the Diffie-Hellman key agreement implementation in the management GUI Java applet in Citrix

CVE-2026-8655 HIGH
8.8 Jun 30

Denial of service in Citrix NetScaler ADC and NetScaler Gateway stems from multiple memory overflow conditions that prod

CVE-2026-13474 HIGH
8.7 Jun 30

Denial of service in Citrix NetScaler ADC and NetScaler Gateway allows remote attackers to crash or render unresponsive

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