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TI-2021-05802 Aliases CVE-2021-22941GHSA-83fg-h4qw-7574

Improper access control in Citrix ShareFile storage zones controller

Priority CRITICAL 100Exploited in the wildCWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2022-03-25CISA due date 2022-04-15Known ransomware use
EPSS 0.53585 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Citrix ShareFile storage zones controller5.11.20—No fix listedCNA
  • Citrix ShareFile storage zones controller Vendor— Affected 5.11.20 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:citrix:sharefile_storagezones_controller:*:*:*:*:*:*:*:*before 5.11.20VulnerableCitrix
  • cpe:2.3:a:citrix:sharefile_storagezones_controller:*:*:*:*:*:*:*:* Versions before 5.11.20 Vulnerable ·Citrix

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2022-03-25 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2021-22941
  3. 2026-10-03 Alias added: GHSA-83fg-h4qw-7574

References

Advisory 1

  • TI-2020-07206 An unauthenticated arbitrary file read issue exists in all versions of Citrix ShareFile… CVSS 3.1HIGH 7.5
  • TI-2020-05996 In certain situations, all versions of Citrix ShareFile StorageZones (aka storage zones)… CVSS 3.1HIGH 7.5
  • TI-2021-05752 Missing authorization in Citrix ShareFile Storage Zones Controller CVSS 3.1CRITICAL 9.8
  • TI-2020-07207 An arbitrary file write issue exists in all versions of Citrix ShareFile StorageZones… CVSS 3.1HIGH 7.5
  • TI-2021-05793 An issue has been identified in the CTX269106 mitigation tool for Citrix ShareFile… CVSS 3.1HIGH 7.5
  • TI-2018-12122 Citrix ShareFile StorageZones Controller before 5.4.2 has Information Exposure Through an Error Message. CVSS 3.0MEDIUM 4.3
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences