What is CVE-2021-22941?

CVE-2021-22941 is a vulnerability in Citrix Sharefile Storage Zones Controller, classified under Improper Access Control. Published 2021-09-23.

Is CVE-2021-22941 known to be exploited?

Yes. CVE-2021-22941 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 21 public proof-of-concept repositories are indexed.

Vulnerability in Citrix Sharefile Storage Zones Controller

CVE-2021-22941

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.

EPSS: 0.885 (99.5th percentile) — read the EPSS interpretation.

Affected products

N/a Citrix Sharefile Storage Zones Controller — versions 5.11.20

Weakness classification (CWE)

CWE-284 — Improper Access Control

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-25. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-04-15.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

support.citrix.com/article/CTX328123 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-22941?: CVE-2021-22941 is a vulnerability in Citrix Sharefile Storage Zones Controller, classified under Improper Access Control. Published 2021-09-23.
Is CVE-2021-22941 known to be exploited?: Yes. CVE-2021-22941 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 21 public proof-of-concept repositories are indexed.