CVE-2016-1571
6.3 · MEDIUMOverview
CVE-2016-1571 is a medium-severity vulnerability affecting citrix xenserver. It was published on January 22, 2016 and has a CVSS 3.0 base score of 6.3 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.
Remediation
Check the references section for vendor advisories and patches from citrix. Update xenserver 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 |
|---|---|---|---|
| citrix | xenserver | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2016-1571?
CVE-2016-1571 is a medium-severity vulnerability affecting citrix xenserver. It was published on January 22, 2016 and has a CVSS 3.0 base score of 6.3 (MEDIUM).
How severe is CVE-2016-1571?
This vulnerability has a CVSS 3.0 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2016-1571?
Check the references section for vendor advisories and patches from citrix. Update xenserver 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-2016-1571?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-1571 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.
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