Overview
Citrix NetScaler ADC and NetScaler Gateway contain a code injection vulnerability that allows for authenticated remote code execution on the management interface with access to NSIP, CLIP, or SNIP.
https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549; https://nvd.nist.gov/vuln/detail/CVE-2023-6548
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2023-6548 |
| Vendor / Product | Citrix — NetScaler ADC and NetScaler Gateway |
| NVD Published | 2024-01-17 |
| NVD Last Modified | 2025-10-24 |
| CVSS 3.1 Score | 5.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| Severity | MEDIUM |
| CWE | CWE-94 |
| CISA KEV Added | 2024-01-17 |
| CISA KEV Deadline | 2024-01-24 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Required Action
CISA BOD 22-01 Deadline: 2024-01-24.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2024-01-17 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2024-01-24 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2023-6548 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |