Is CVE-2021-22941 actively exploited?

Yes. CVE-2021-22941 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-22941 be exploited remotely?

The attack vector of CVE-2021-22941 has not been classified yet.

What is the CVSS score of CVE-2021-22941?

CVE-2021-22941 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-22941

HIGHCISA KEVIN THE WILD

CVE-2021-22941

Published: March 25, 2022

EPSS:87.80%probability of exploitation in 30 daysPercentile:99.5th

Official Description

Improper Access Control in Citrix ShareFile storage zones controller may allow an unauthenticated attacker to remotely compromise the storage zones controller.

NVD Source

CISA KEV Advisory

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.

Added to KEV: 2022-03-25Federal patch deadline: 2022-04-15⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

An improper access control vulnerability in Citrix ShareFile storage zones controller allows an unauthenticated attacker to remotely compromise the controller. The very high EPSS score of 0.87802 indicates a strong likelihood of exploitation, and its inclusion in CISA's KEV confirms active exploitation. This is a critical vulnerability that can lead to full system compromise.

This vulnerability is actively exploited in the wild. The improper access control allows for remote, unauthenticated exploitation.

Recommended Action

Apply all available security updates for Citrix ShareFile storage zones controller. Implement strict access controls and regularly review configurations to prevent unauthorized access.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-22941 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-22941 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.