Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability
Cloud Software Group — NetScaler ADC
Improper Control of Generation of Code ('Code Injection') in NetScaler ADC and NetScaler Gateway allows an attacker with access to NSIP, CLIP or SNIP with management interface to perform Authenticated (low privileged) remote code execution on Management Interface.
5.5
3.2%
Vector breakdown
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Published
- Jan 17, 2024
- Modified
- Oct 21, 2025
- Added to KEV
- Jan 17, 2024
- Federal patch due
- Jan 24, 2024
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2023-6548, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2023-6548 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2023-6548?
Improper Control of Generation of Code ('Code Injection') in NetScaler ADC and NetScaler Gateway allows an attacker with access to NSIP, CLIP or SNIP with management interface to perform Authenticated (low privileged) remote code execution on Management Interface.
How severe is CVE-2023-6548?
CVE-2023-6548 has a CVSS base score of 5.5 out of 10 (CVSS 3.1).
Is CVE-2023-6548 actively exploited in the wild?
Yes. CVE-2023-6548 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jan 17, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2023-6548?
3.2% - meaning FIRST.org's EPSS model estimates a 3.2% probability this vulnerability will be exploited in the wild within 30 days (87% percentile among all scored CVEs).
What type of vulnerability is CVE-2023-6548?
CVE-2023-6548 is classified under CWE-94 (CWE-94 Improper Control of Generation of Code ('Code Injection')).
Cross-checked against
Impactr finds and proves whether CVE-2023-6548 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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