CVE-2021-3310
7.8 · HIGHOverview
CVE-2021-3310 is a high-severity vulnerability affecting westerndigital my_cloud_os. It was published on March 10, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Western Digital My Cloud OS 5 devices before 5.10.122 mishandle Symbolic Link Following on SMB and AFP shares. This can lead to code execution and information disclosure (by reading local files).
Remediation
Check the references section for vendor advisories and patches from westerndigital. Update my_cloud_os to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| westerndigital | my_cloud_os | >= 0, < 5.10.122 | Affected |
References
Frequently Asked Questions
What is CVE-2021-3310?
CVE-2021-3310 is a high-severity vulnerability affecting westerndigital my_cloud_os. It was published on March 10, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-3310?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-3310?
Check the references section for vendor advisories and patches from westerndigital. Update my_cloud_os to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-3310?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-3310 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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