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Netscaler Application Delivery ControllerApplication · Citrix

CVE-2023-3467

HIGH · 8.0 CVSS v3.1 Developing Published 2023-07-19
Fix available
A fix is available. Upgrade to 12.1-55.297 / 13.0-91.13 or later.
See remediation →
82/100
Remediation priority · High
Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Privilege Escalation to root administrator (nsroot)

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · low confidence
Developing — this CVE was published recently and its authoritative NVD entry is still being established, so we're holding a technical summary until the source data settles rather than publish something unreliable. Re-checking after 2026-08-01.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Netscaler Application Delivery ControllerApplication
Affected:>= 12.1, < 12.1-55.297>= 13.0, < 13.0-91.13>= 13.1, < 13.1-37.159>= 13.1, < 13.1-49.13= 11.1-65.22
Netscaler GatewayApplication
Affected:>= 13.0, < 13.0-91.13>= 13.1, < 13.1-49.13

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 12.1-55.297 / 13.0-91.13 / 13.1-37.159 or later
Fixed in 12.1-55.29713.0-91.1313.1-37.159
Recommended fix High confidence

Netscaler ADC 12.1-55.297+, 13.0-91.13+, or 13.1-49.13+ / Netscaler Gateway 13.0-91.13+ or 13.1-49.13+

  1. Verify current Netscaler version using 'show version' or through the GUI under System > Information > System Details
  2. Back up the current configuration using 'create backup' or through the GUI under System > Backup and Restore
  3. Review the upgrade guide at support.citrix.com for your specific version and deployment model
  4. Download the appropriate build for your version: 12.1-55.297 or later for 12.1.x, 13.0-91.13 or later for 13.0.x, 13.1-49.13 or later for 13.1.x
  5. Upload the firmware using 'install firmware' command or through the GUI under System > Firmware > Upload
  6. Reboot the appliance using 'reboot' command to apply the upgrade
  7. Verify successful upgrade and access by logging in and confirming the new version under System > Information
  8. Restore configuration if needed using the backup created earlier
Caveat Review release notes for any configuration changes or deprecated features between your current version and the target fixed release; test in staging environment before production deployment

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $1,950. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-3467 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data