CVE-2023-6548Known exploitation

Authenticated remote code execution

Published Jan 17, 2024 · Updated Oct 21, 2025

Code injection in NetScaler ADC and NetScaler Gateway allows remote authenticated users to execute code through the management interface. NetScaler has not disclosed the affected handler, untrusted input, or unsafe code-generation operation. Exploitation requires low-privileged access to an NSIP, CLIP, or SNIP management interface and yields code execution on the appliance.

CVSS severity5.5
Medium
EPSS probability3.19%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in NetScaler ADC and NetScaler Gateway allows remote authenticated users to execute code through the management interface. NetScaler has not disclosed the affected handler, untrusted input, or unsafe code-generation operation. Exploitation requires low-privileged access to an NSIP, CLIP, or SNIP management interface and yields code execution on the appliance.

The record

CVE
CVE-2023-6548
Published
Jan 17, 2024
Updated
Oct 21, 2025
Vendor
Cloud Software Group
Product
NetScaler Gateway
Classifications
CWE-94, T1190
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 17, 2024Exploitation reportedCISA Known Exploited Vulnerabilities listing
  2. Jan 17, 2024CVE publishedPublication date reported by the CVE source.
  3. Oct 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=13.0 <13.0-92.21
  2. Affected versionversion=13.0 <92.21
  3. Affected versionversion=13.1 <13.1-51.15
  4. Affected versionversion=13.1 <51.15
  5. Affected versionversion=14.1 <12.35
  6. Affected versionversion=14.1 <14.1-12.35

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Cloud Software Group · NetScaler Gatewayversion=13.0 <13.0-92.21; version=13.0 <92.21; version=13.1 <13.1-51.15; version=13.1 <51.15; version=14.1 <12.35; version=14.1 <14.1-12.35
Cloud Software Group · NetScaler ADCversion=12.1 <12.1-55.302; version=12.1-FIPS <55.302; version=12.1-NDcPP <55.302; version=13.0 <13.0-92.21; version=13.0 <92.21; version=13.1 <13.1-37.176; version=13.1 <13.1-51.15; version=13.1 <51.15; version=13.1-FIPS <37.176; version=14.1 <12.35; version=14.1 <14.1-12.35

Published CVSS scores

5.5Citrix CNACVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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