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CVE-2023-24489

Citrix Content Collaboration ShareFile Improper Access Control

9.8 CRITICALActively exploited (CISA KEV)EPSS 97.3%
  1. Published10 Jul 2023
  2. Added to CISA KEV16 Aug 2023
  3. Remediation due6 Sept 2023
Actively exploited (CISA KEV)

Citrix Content Collaboration contains an improper access control vulnerability that could allow an unauthenticated attacker to remotely compromise customer-managed ShareFile storage zones controllers.

Added to KEV: 16 Aug 2023Federal remediation due: 6 Sept 2023

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Citrix Sharefile Storage Zones Controller< 5.11.24

Remediation

Fixed in
Citrix Sharefile Storage Zones Controller≥ 5.11.24

References

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Frequently asked

Is CVE-2023-24489 being actively exploited?

Yes. CVE-2023-24489 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 16 Aug 2023.

How severe is CVE-2023-24489?

CVE-2023-24489 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 97.3% probability of exploitation.

Which products are affected by CVE-2023-24489?

Affected products include Citrix Sharefile Storage Zones Controller.

How do I fix CVE-2023-24489?

Upgrade affected software to a fixed version, for example Citrix Sharefile Storage Zones Controller 5.11.24 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-24489 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.