CVE-2023-24489
CriticalExploitedPublic exploitA 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.
Published Jul 10, 2023 · Updated Feb 26, 2026
Key Facts
Patch immediately- CVE-2023-24489 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Sharefile Storage Zones Controller (Citrix).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 26, 2023 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 97% probability of exploitation in the next 30 days.
- Fixed versions are available, including Sharefile Storage Zones Controller 5.11.24.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
97%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-24489 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Aug 16, 2023 | Sep 6, 2023 | Not reported |
| Industry KEV feed | Jul 26, 2023 | Sep 6, 2023 | Known |
| CIRCL KEV | Aug 16, 2023 | Sep 6, 2023 | Not reported |
| ENISA EUVD | Aug 16, 2023 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Sharefile Storage Zones ControllerCitrix | See advisory | 5.11.24 |
Patched Releases
Sharefile Storage Zones Controller
5.11.24
Timeline
Publicly disclosed
Jul 10, 2023
Added to Industry KEV feed
Jul 26, 2023
Added to CISA KEV
Aug 16, 2023
Added to CIRCL KEV
Aug 16, 2023
Added to ENISA EUVD
Aug 16, 2023
Last updated
Feb 26, 2026
Weakness Type
- CWE-284 Improper Access Control
References
- advisoryhttps://support.citrix.com/article/CTX559517/sharefile-storagezones-controller-security-update-for-cve202324489
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Sharefile Storage Zones Controller (Citrix). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 26, 2023 and is known to be used in ransomware campaigns.
Yes. It was added on Aug 16, 2023 with a federal remediation due date of Sep 6, 2023.
Public exploit code is available.
Fixed versions are available, including Sharefile Storage Zones Controller 5.11.24.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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