Critical severity · published May 27, 2021
CVE-2021-22891
A missing authorization vulnerability exists in Citrix ShareFile Storage Zones Controller before 5.7.3, 5.8.3, 5.9.3, 5.10.1 and 5.11.18 may allow unauthenticated remote…
9.8
CVSS
1.1%
EPSS
No
On KEV
Description
A missing authorization vulnerability exists in Citrix ShareFile Storage Zones Controller before 5.7.3, 5.8.3, 5.9.3, 5.10.1 and 5.11.18 may allow unauthenticated remote compromise of the Storage Zones Controller.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Sharefile Storagezones Controller · Citrix
5.7 before 5.7.3; 5.8 through 5.8.3; 5.9 before 5.9.3; 5.10 before 5.10.1; 5.11 before 5.11.18 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22891
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22891
Patch
https://support.citrix.com/article/CTX310780
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