CVE-2011-1898
7.4 · HIGHOverview
CVE-2011-1898 is a high-severity vulnerability affecting citrix xen. It was published on August 12, 2011 and has a CVSS 2.0 base score of 7.4 (HIGH).
This vulnerability has a CVSS 2.0 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."
Remediation
Check the references section for vendor advisories and patches from citrix. 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 |
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References
Frequently Asked Questions
What is CVE-2011-1898?
CVE-2011-1898 is a high-severity vulnerability affecting citrix xen. It was published on August 12, 2011 and has a CVSS 2.0 base score of 7.4 (HIGH).
How severe is CVE-2011-1898?
This vulnerability has a CVSS 2.0 base score of 7.4, 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-2011-1898?
Check the references section for vendor advisories and patches from citrix. 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-2011-1898?
CyberStrike's AI-powered security agents can automatically detect CVE-2011-1898 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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