Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
http://bazaar.launchpad.net/~hudson-openstack/nova/trunk/revision/1604
Source: Mitre, NVD
Published: 2019-04-22
Updated: 2020-09-03
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 8.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Severity: High
EPSS: 0.00182