CVE-2026-3055
Insufficient input validation leading to memory overread
At a glance
- Severity
- CRITICAL 9.3
- Exploitation
- Known exploited (CISA KEV) · added 2026-03-30
Exploited per ENISA since 2026-03-30 - EPSS
- EPSS 91.49 % · percentile 100 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- NetScaler
- NVD status
- Analyzed
Description
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
Scores
| Version | Score | Vector | Scored by |
|---|
| CVSS 4.0 | CRITICAL 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L | NetScaler |
| CVSS 4.0 | CRITICAL 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 (Secondary) |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE)
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:* ≥ 13.1 < 13.1-37.262cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:* ≥ 13.1 < 13.1-37.262cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* ≥ 13.1 < 13.1-62.23cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:* ≥ 14.1 < 14.1-60.58cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* ≥ 13.1 < 13.1-62.23cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:* ≥ 14.1 < 14.1-60.58
Affected products
| Product | Versions |
|---|
| NetScaler · ADC | affected 14.1 < 66.59 ; affected 13.1 < 62.23 ; affected 13.1 FIPS and NDcPP < 37.262 |
| NetScaler · Gateway | affected 14.1 < 66.59 ; affected 13.1 < 62.23 |
References
Sources
