CVE-2017-10920 is a critical vulnerability affecting Xen through version 4.8.x, stemming from improper handling of grant-table mappings (GNTMAP_device_map and GNTMAP_host_map). This flaw allows guest OS users to trigger a denial of service through memory corruption or potentially gain privileged host OS access. With a CVSS score of 10.0, it is easily exploitable over the network with low complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.8.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.