CVE-2021-32847
7.1 · HIGHOverview
CVE-2021-32847 is a high-severity vulnerability affecting mobyproject hyperkit. It was published on February 20, 2023 and has a CVSS 3.1 base score of 7.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f.
Remediation
Check the references section for vendor advisories and patches from mobyproject. Update hyperkit 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 |
|---|---|---|---|
| mobyproject | hyperkit | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-32847?
CVE-2021-32847 is a high-severity vulnerability affecting mobyproject hyperkit. It was published on February 20, 2023 and has a CVSS 3.1 base score of 7.1 (HIGH).
How severe is CVE-2021-32847?
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-32847?
Check the references section for vendor advisories and patches from mobyproject. Update hyperkit 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-2021-32847?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-32847 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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Browser-based exploitation validates findings with real proof-of-concept.
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