DEBIAN-CVE-2020-35517

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 28 Jan 2021, 20:15
Last modified:28 Apr 2026, 20:18

Vulnerability Summary

Overall Risk (default)
medium
33/100
CVSS Score
8.2 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Jan 2021, 20:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:18
Last Modified
Vulnerability information updated

Description

A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.

CVSS Metrics

  • v3.1HIGHScore: 8.2CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Systems

  • debianqemu

    < 1:5.2+dfsg-5 | < 1:5.2+dfsg-5 | < 1:5.2+dfsg-5 | < 1:5.2+dfsg-5

References (1)