CVE-2020-17376 is a high-severity vulnerability affecting OpenStack Nova versions before 19.3.1, 20.x before 20.3.1, and 21.0.0. An authenticated user can gain unauthorized access to destination host devices by performing a soft reboot on an instance that previously underwent live migration, potentially accessing different Cinder volumes. This vulnerability has a CVSS score of 8.3 (High) and is easily exploitable over the network with low attack complexity, leading to high confidentiality and integrity impacts. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 19.3.1CPE matchmatch criteria | cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:* | ||
>= 20.0.0, < 20.3.1CPE matchmatch criteria | cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:* | ||
21.0.0CPE matchmatch criteria | cpe:2.3:a:openstack:nova:21.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.