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Actively exploited in the wild. This CVE is on the CISA Known Exploited Vulnerabilities list — treat remediation as urgent. Federal remediation due by 6 Sep 2023.
Sharefile Storage Zones ControllerApplication · Citrix

CVE-2023-24489

CRITICAL · 9.8 CVSS v3.1 Published 2023-07-10
Fix available
A fix is available. Upgrade to 5.11.24 or later.
See remediation →
100/100
Remediation priority · Urgent
In the wild High EPSS Remotely reachable No privileges 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
A vulnerability has been discovered in the customer-managed ShareFile storage zones controller which, if exploited, could allow an unauthenticated attacker to remotely compromise the customer-managed ShareFile storage zones controller.

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 · moderate confidence

This is a critical unauthenticated remote code execution vulnerability in Citrix ShareFile storage zones controller. The vulnerability allows an attacker with network access to the affected storage zones controller to execute arbitrary code without any credentials, potentially leading to complete system compromise.

MitigationApply the vendor-supplied patch or update to the ShareFile storage zones controller immediately. If a patch is unavailable, consider restricting network access to the storage zones controller via firewall rules or network segmentation until a fix can be deployed.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

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
Sharefile Storage Zones ControllerApplication
Affected:< 5.11.24

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
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm ShareFile Storage Zones Controller is deployed
    Review your infrastructure to identify any Citrix ShareFile Storage Zones Controller servers. Check installed applications, VM inventories, or documentation for 'Citrix ShareFile' or 'Storage Zones Controller' components.
    Affected if The organization has a customer-managed (on-premises) ShareFile Storage Zones Controller in their environment.
  2. Identify the installed version
    On the Storage Zones Controller server, check the application version. This is typically found in the Control Panel 'Programs and Features' list, or by reviewing the ShareFile management interface version information.
    Affected if The installed version is lower than 5.11.24.
  3. Determine the deployment model
    Confirm whether the Storage Zones Controller is customer-managed (on-premises/hybrid) rather than fully Citrix-managed (SaaS). Check if your organization manages the server infrastructure directly.
    Affected if The Storage Zones Controller is customer-managed and your organization controls the server.
  4. Assess network exposure
    Review firewall rules, VPN policies, and access controls to determine if the Storage Zones Controller management interface or storage zone endpoints are accessible from untrusted networks (such as the internet).
    Affected if The Storage Zones Controller is directly accessible from the internet or untrusted networks without authentication barriers.

Your environment is affected if you run a customer-managed Citrix ShareFile Storage Zones Controller version below 5.11.24 that is network-accessible to potential attackers.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 5.11.24 or later
Fixed in 5.11.24
Interim mitigation

Apply the vendor-supplied patch or update to the ShareFile storage zones controller immediately. If a patch is unavailable, consider restricting network access to the storage zones controller via firewall rules or network segmentation until a fix can be deployed.

Recommended fix Moderate confidence

ShareFile Storage Zones Controller 5.11.24

  1. Upgrade ShareFile Storage Zones Controller to version 5.11.24 or later to remediate the improper access control vulnerability.
  2. Verify the upgrade was successful by confirming the controller version in the administration interface.
  3. After upgrading, validate that all storage zone functionality remains operational.

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

Fix this in Sharefile Storage Zones Controller Exploited in the wild — priority engagement
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
Get it fixed fast

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.

Scan for this in your stack

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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-2023-24489 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