On 2024-01-17, CISA added CVE-2023-6548 (Citrix NetScaler ADC and NetScaler Gateway) to its Known Exploited Vulnerabilities (KEV) catalog [2]. The vulnerability is listed in the catalog as "Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability" [2]. CISA requires remediation in accordance with the listed vendor mitigation guidance; see the original text in the body for specific requirements [2].
Backfill: this event became public on Jan 17, 2024 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Citrix NetScaler ADC and NetScaler Gateway Vulnerability CVE-2023-6548 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Jan 17, 2024
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 3.2%, higher than 88% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires remediation in accordance with the listed vendor mitigation guidance; see the original text in the body for specific requirements [2].
Timeline
Technical details
CISA KEV Listing Record
CISA added CVE-2023-6548 (Citrix NetScaler ADC and NetScaler Gateway) to the Known Exploited Vulnerabilities () catalog on 2024-01-17 [2].
Original Technical Description
Citrix NetScaler ADC and NetScaler Gateway contain a code injection vulnerability that allows for authenticated on the management interface with access to NSIP, CLIP, or SNIP. [2]
Official Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2023-6548 [1].
References
Official / primary3
- [1]
“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.”
- [2]
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.