A Buffer Overflow exists in Citrix NetScaler Gateway 10.5.x before 10.5.70.x, 11.1.x…
Priority LOW 36CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A Buffer Overflow exists in Citrix NetScaler Gateway 10.5.x before 10.5.70.x, 11.1.x before 11.1.59.10, 12.0.x before 12.0.59.8, and 12.1.x before 12.1.49.23 and Citrix Application Delivery Controller 10.5.x before 10.5.70.x, 11.1.x before 11.1.59.10, 12.0.x before 12.0.59.8, and 12.1.x before 12.1.49.23.
Why it matters now
EPSS 0.01549 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* | 10.5.0 to before 10.5.70; 11.1.0 to before 11.1.59.10; 12.0.0 to before 12.0.59.8; 12.1.0 to before 12.1.49.23 | Vulnerable | Citrix |
| cpe:2.3:h:citrix:netscaler_gateway:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
| cpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:* | 10.5.0 to before 10.5.70; 11.1.0 to before 11.1.59.10; 12.0.0 to before 12.0.59.8; 12.1.0 to before 12.1.49.23 | Vulnerable | Citrix |
| cpe:2.3:h:citrix:netscaler_application_delivery_controller:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
- cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* Versions 10.5.0 to before 10.5.70; 11.1.0 to before 11.1.59.10; 12.0.0 to before 12.0.59.8; 12.1.0 to before 12.1.49.23 Vulnerable ·Citrix
- cpe:2.3:h:citrix:netscaler_gateway:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
- cpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:* Versions 10.5.0 to before 10.5.70; 11.1.0 to before 11.1.59.10; 12.0.0 to before 12.0.59.8; 12.1.0 to before 12.1.49.23 Vulnerable ·Citrix
- cpe:2.3:h:citrix:netscaler_application_delivery_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-12044
- 2026-10-03 Alias added: GHSA-4g6q-2ghm-pr4w
References
More Citrix Netscaler Application Delivery Controller Firmware vulnerabilities
- TI-2018-04977 NetScaler ADC 10.5, 11.0, 11.1, and 12.0, and NetScaler Gateway 10.5, 11.0, 11.1, and… CVSS 3.0CRITICAL 9.8
- TI-2015-04663 Multiple unspecified vulnerabilities in Citrix NetScaler Application Delivery Controller… CVSS 2.0HIGH 10.0
- TI-2014-05960 Unspecified vulnerability in the management interface in Citrix NetScaler Application… CVSS 2.0HIGH 7.5
- TI-2014-02314 Unspecified vulnerability in the Diffie-Hellman key agreement implementation in the… CVSS 2.0HIGH 10.0
- TI-2015-04261 The Management Interface in Citrix NetScaler Application Delivery Controller (ADC) and… CVSS 2.0HIGH 9.0
- TI-2013-05704 Unspecified vulnerability in Citrix NetScaler Application Delivery Controller (ADC) 9.3.x… CVSS 2.0HIGH 10.0
Sources
- CVE-2019-12044 · CVE Program
- CVE-2019-12044 · NVD
- FIRST EPSS
- GHSA-4g6q-2ghm-pr4w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences