The instance rescue mode in OpenStack Compute (Nova) 2013.2 before 2013.2.3 and Icehouse before 2014.1, when using libvirt to spawn images and use_cow_images is set to false, allows remote authenticated users to read certain compute host files by overwriting an instance disk with a crafted image.
https://bugs.launchpad.net/nova/+bug/1221190
Published: 2014-05-08
Updated: 2025-04-12
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:N/A:N
Severity: Low
Base Score: 3.1
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Severity: Low
Base Score: 2.3
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Severity: Low
EPSS: 0.00201