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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Sharefile Storagezones Controller | >= 5.7, < 5.7.3 |
| Citrix | Sharefile Storagezones Controller | >= 5.8, <= 5.8.3 |
| Citrix | Sharefile Storagezones Controller | >= 5.9, < 5.9.3 |
| Citrix | Sharefile Storagezones Controller | >= 5.10, < 5.10.1 |
| Citrix | Sharefile Storagezones Controller | >= 5.11, < 5.11.18 |
References
- https://support.citrix.com/article/CTX310780Patch, Vendor Advisory
- https://support.citrix.com/article/CTX310780Patch, Vendor Advisory
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.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-22891?
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Scan your code nowSource: NVD / NIST