CVE-2018-19962 is a high-severity vulnerability affecting Xen through version 4.11.x on AMD x86 platforms, where guest OS users could potentially escalate privileges to the host OS due to unsafe combining of small IOMMU mappings. With a CVSS score of 7.8, this local attack requires low privileges but high attack complexity to achieve high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.11.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* | ||
7.1CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:* | ||
7.5CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.