CVE-2016-9380 is a high-severity vulnerability affecting the pygrub boot loader emulator in Xen, including Citrix XenServer. It allows a local guest OS administrator to read or delete arbitrary files on the host system by injecting NUL bytes into the bootloader configuration file when nul-delimited output is requested. The CVSS score of 7.5 indicates a high impact on confidentiality and integrity, with a low attack complexity, but requires local access and a specific configuration. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | ||
6.0.2CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* | ||
6.2.0CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:* | ||
6.5CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* |
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:N
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.