CVE-2018-20621
7.8 · HIGHOverview
CVE-2018-20621 is a high-severity vulnerability affecting microvirt memu. It was published on March 13, 2019 and has a CVSS 3.0 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.0 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
An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time. This allows code to be run as NT AUTHORITY/SYSTEM.
Remediation
Check the references section for vendor advisories and patches from microvirt. Update memu 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 |
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Frequently Asked Questions
What is CVE-2018-20621?
CVE-2018-20621 is a high-severity vulnerability affecting microvirt memu. It was published on March 13, 2019 and has a CVSS 3.0 base score of 7.8 (HIGH).
How severe is CVE-2018-20621?
This vulnerability has a CVSS 3.0 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-2018-20621?
Check the references section for vendor advisories and patches from microvirt. Update memu 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-2018-20621?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-20621 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.
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