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CVE-2021-22891

CRITICALCVSS 9.8/10EPSS 1.08%

Last modified

CVE-2021-22891 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.08%

60.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CitrixSharefile Storagezones Controller>= 5.7, < 5.7.3
CitrixSharefile Storagezones Controller>= 5.8, <= 5.8.3
CitrixSharefile Storagezones Controller>= 5.9, < 5.9.3
CitrixSharefile Storagezones Controller>= 5.10, < 5.10.1
CitrixSharefile Storagezones Controller>= 5.11, < 5.11.18

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 compromise of the Storage Zones Controller.
How severe is CVE-2021-22891?
CVE-2021-22891 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22891?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22891?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST