The TLS and DTLS processing functionality in Citrix NetScaler Application Delivery…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
The TLS and DTLS processing functionality in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway devices with firmware 9.x before 9.3 Build 68.5, 10.0 through Build 78.6, 10.1 before Build 130.13, 10.1.e before Build 130.1302.e, 10.5 before Build 55.8, and 10.5.e before Build 55.8007.e makes it easier for man-in-the-middle attackers to obtain cleartext data via a padding-oracle attack, a variant of CVE-2014-3566 (aka POODLE).
Why it matters now
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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:citrix:netscaler_firmware:9.0:*:*:*:*:*:*:* | 9.0 | Running on | Citrix |
| cpe:2.3:o:citrix:netscaler_firmware:9.1:*:*:*:*:*:*:* | 9.1 | Running on | Citrix |
| cpe:2.3:o:citrix:netscaler_firmware:9.2:*:*:*:*:*:*:* | 9.2 | Running on | Citrix |
| cpe:2.3:o:citrix:netscaler_firmware:10.0:*:*:*:*:*:*:* | 10.0 | Running on | Citrix |
| cpe:2.3:o:citrix:netscaler_firmware:10.1:*:*:*:*:*:*:* | 10.1 | Running on | Citrix |
| cpe:2.3:o:citrix:netscaler_firmware:10.1e:*:*:*:*:*:*:* | 10.1e | Running on | Citrix |
| cpe:2.3:o:citrix:netscaler_firmware:10.5:*:*:*:*:*:*:* | 10.5 | Running on | Citrix |
| cpe:2.3:o:citrix:netscaler_firmware:10.5e:*:*:*:*:*:*:* | 10.5e | Running on | Citrix |
| cpe:2.3:h:citrix:netscaler_application_delivery_controller:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Citrix |
| cpe:2.3:h:citrix:netscaler_gateway:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Citrix |
- cpe:2.3:o:citrix:netscaler_firmware:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Citrix
- cpe:2.3:o:citrix:netscaler_firmware:9.1:*:*:*:*:*:*:* Versions 9.1 Running on ·Citrix
- cpe:2.3:o:citrix:netscaler_firmware:9.2:*:*:*:*:*:*:* Versions 9.2 Running on ·Citrix
- cpe:2.3:o:citrix:netscaler_firmware:10.0:*:*:*:*:*:*:* Versions 10.0 Running on ·Citrix
- cpe:2.3:o:citrix:netscaler_firmware:10.1:*:*:*:*:*:*:* Versions 10.1 Running on ·Citrix
- cpe:2.3:o:citrix:netscaler_firmware:10.1e:*:*:*:*:*:*:* Versions 10.1e Running on ·Citrix
- cpe:2.3:o:citrix:netscaler_firmware:10.5:*:*:*:*:*:*:* Versions 10.5 Running on ·Citrix
- cpe:2.3:o:citrix:netscaler_firmware:10.5e:*:*:*:*:*:*:* Versions 10.5e Running on ·Citrix
- cpe:2.3:h:citrix:netscaler_application_delivery_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Citrix
- cpe:2.3:h:citrix:netscaler_gateway:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Citrix
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-3642
- 2026-10-03 Alias added: GHSA-2262-5cw2-4w9w
References
More Citrix Netscaler Application Delivery Controller vulnerabilities
- TI-2026-60195 Memory overflow vulnerability leading to Remote Code Execution or Denial of Service KEVCVSS 4.0CRITICAL 9.5
- TI-2026-60194 Improper input validation in Citrix ADC KEVCVSS 4.0CRITICAL 9.5
- TI-2023-04571 Unauthenticated sensitive information disclosure in Citrix NetScaler ADC KEVCVSS 3.1CRITICAL 9.4
- TI-2023-03284 Unauthenticated remote code execution in Citrix NetScaler ADC KEVCVSS 3.1CRITICAL 9.8
- TI-2026-15872 NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490 KEVCVSS 4.0CRITICAL 9.3
- TI-2026-02639 Insufficient input validation leading to memory overread KEVCVSS 4.0CRITICAL 9.3
Sources
- CVE-2015-3642 · CVE Program
- CVE-2015-3642 · NVD
- FIRST EPSS
- GHSA-2262-5cw2-4w9w · 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