CVE-2017-7471
9.0
CRITICAL
CVSS 3.1
EPSS 0.57%
Description
Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System (9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.
How to fix CVE-2017-7471
To remediate CVE-2017-7471, upgrade the affected package to a fixed version below.
- —upgrade to 1:2.8+dfsg-5 or later
Is CVE-2017-7471 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:2.8+dfsg-5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |