CVE-2021-22941VulnerabilityPublished 03/25/2022Updated 10/24/2026
CVE-2021-22941: Citrix ShareFile Improper Access Control Vulnerability
Affects Citrix ShareFileSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 03/25/2022
- KEV deadline
- 04/15/2022
- Ransomware
- Used in ransomware campaigns
- EPSS
- 53.6% chance of exploitation in 30 days – higher than 98% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
CVE-2021-22941 is an improper access control vulnerability in Citrix ShareFile storage zones controller that allows unauthenticated remote attackers to compromise the controller. This vulnerability has been exploited in the wild and is associated with known ransomware campaigns. It poses a high risk due to unauthorized access potential.