CVE-2021-22941
Improper Access Control in Citrix ShareFile storage zones controller before 5.11.20 may allow an...
Improper Access Control in Citrix ShareFile storage zones controller before 5.11.20 may allow an unauthenticated attacker to remotely compromise the storage zones controller.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Improper Access Control in Citrix ShareFile storage zones controller before 5.11.20 may allow an unauthenticated attacker to remotely compromise the storage zones controller.
- Record
CVE-2021-22941- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List
Improper Access Control in Citrix ShareFile storage zones controller before 5.11.20 may allow an unauthenticated attacker to remotely compromise the storage zones controller.
- Record
CVE-2021-22941- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2021-10070
Improper Access Control in Citrix ShareFile storage zones controller before 5.11.20 may allow an unauthenticated attacker to remotely compromise the storage zones controller.
- Record
EUVD-2021-10070- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-83fg-h4qw-7574
Improper Access Control in Citrix ShareFile storage zones controller before 5.11.20 may allow an...
Improper Access Control in Citrix ShareFile storage zones controller before 5.11.20 may allow an unauthenticated attacker to remotely compromise the storage zones controller.
- Record
GHSA-83fg-h4qw-7574- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269, CWE-284
- Updated
- 2026-11-02
CISA KEV No score
Citrix ShareFile Improper Access Control Vulnerability
Improper Access Control in Citrix ShareFile storage zones controller may allow an unauthenticated attacker to remotely compromise the storage zones controller.
- Record
CVE-2021-22941- Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | hoav18/CVE-2021-22941 | 2021-10-12 |
| PoC in GitHub | pratikjojode/citrix-cve-2021-22941-lab | 2025-12-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22941 is a critical vulnerability (CVSS 9.8) in Citrix Sharefile Storage Zones Controller, published September 23, 2021. CISA lists it as known to be exploited, since March 25, 2022. EUVD reports exploitation since March 25, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 53.6%, the 98th percentile. No source names a fixed version.