Improper Access Control in Citrix ShareFile Storage Zones Controller
CVE-2021-22941

9.8CRITICAL

Key Information:

Vendor
Citrix
Status
Citrix Sharefile Storage Zones Controller
Vendor
CVE Published:
23 September 2021

Badges

💰 Ransomware👾 Exploit Exists🟡 Public PoC🦅 CISA Reported

Summary

Citrix ShareFile Storage Zones Controller versions prior to 5.11.20 are susceptible to an access control vulnerability, potentially allowing unauthorized attackers to compromise the system remotely. This issue may enable attackers to gain access to sensitive data stored within the storage zones controller, posing significant risks to data integrity and confidentiality.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Citrix ShareFile storage zones controller 5.11.20

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-22941
Created by hoavt184

References

https://support.citrix.com/article/CTX328123
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.