# Citrix Content Collaboration: ShareFile Improper Access Control (CVE-2023-24489) · pwn.watch > 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 CISA KEV on 2023-08-16. Page: https://pwn.watch/i/citrix-content-collaboration-cve-2023-24489 · generated 2026-10-22T21:47:37.879Z ## Status - Severity: critical · status: closed · patch: patched - Product: Citrix Content Collaboration - Started: 2023-08-16 · closed: 2023-08-16 - CVEs: CVE-2023-24489 - Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed) - Fixed in: See vendor advisory linked in sources ## Follow this incident - RSS (one item per update): https://pwn.watch/i/citrix-content-collaboration-cve-2023-24489/feed.xml - JSON Feed: https://pwn.watch/i/citrix-content-collaboration-cve-2023-24489/feed.json - Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/citrix-content-collaboration-cve-2023-24489.json - This file: https://pwn.watch/i/citrix-content-collaboration-cve-2023-24489/llms.txt ## Updates (newest first) - 2023-08-16: CISA added CVE-2023-24489 to the KEV catalog (due 2023-09-06). ## Fix brief # Security brief: Citrix Content Collaboration: ShareFile Improper Access Control (CVE-2023-24489) Source: https://pwn.watch/i/citrix-content-collaboration-cve-2023-24489 · status: closed (closed Aug 16, 2023) · severity: critical · updated Aug 16, 2023 ## Patch status **PATCHED: fixed releases exist. Upgrade to a fixed version.** ## What it is 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 CISA KEV on 2023-08-16. Severity detail: CVSS 9.8 (NVD), actively exploited (CISA KEV) - Product: Citrix Content Collaboration - CVE / advisory ids: CVE-2023-24489 ## Affected versions - See vendor advisory / CISA notes (versions not always listed in KEV feed) ## Check whether you're affected No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above. ## Fix Upgrade to one of these fixed versions (or later on the same branch): - See vendor advisory linked in sources After upgrading, re-run the checks above and redeploy/restart the affected services. ## Latest updates - Aug 16, 2023: CISA added CVE-2023-24489 to the KEV catalog (due 2023-09-06). ## Advisories - [Vendor advisory: Citrix Content Collaboration](https://support.citrix.com/article/CTX559517/sharefile-storagezones-controller-security-update-for-cve202324489) (Citrix) - [NVD: CVE-2023-24489](https://nvd.nist.gov/vuln/detail/CVE-2023-24489) (NVD) - [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA) ## Caveats Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier). --- Machine-readable: https://pwn.watch/i/citrix-content-collaboration-cve-2023-24489.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.