CVE-2018-18883
8.8 · HIGHOverview
CVE-2018-18883 is a high-severity vulnerability affecting xen xen. It was published on November 1, 2018 and has a CVSS 3.0 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.0 base score of 8.8, 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 Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.
Remediation
Check the references section for vendor advisories and patches from xen. Update xen 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 |
|---|---|---|---|
| xen | xen | 4.9.0 | Affected |
Frequently Asked Questions
What is CVE-2018-18883?
CVE-2018-18883 is a high-severity vulnerability affecting xen xen. It was published on November 1, 2018 and has a CVSS 3.0 base score of 8.8 (HIGH).
How severe is CVE-2018-18883?
This vulnerability has a CVSS 3.0 base score of 8.8, 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-2018-18883?
Check the references section for vendor advisories and patches from xen. Update xen 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-2018-18883?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-18883 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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