CVE-2021-22941 on CISA KEV

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.

01What CISA says about this vulnerability

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.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• support.citrix.com — https://support.citrix.com/article/CTX328123

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / Citrix ShareFile storage zones controller	5.11.20

06Detection

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