CVE-2019-15753 is a critical vulnerability affecting OpenStack os-vif versions 1.15.x before 1.15.2 and 1.16.0, specifically when using the linuxbridge backend. A hard-coded MAC aging time of 0 disables MAC learning, leading to obligatory Ethernet flooding of non-local destinations. This significantly impacts network performance and allows tenants to potentially view other tenants' packet content. The vulnerability has a CVSS score of 9.1 (CRITICAL), indicating a high-impact, easily exploitable flaw with network access and low attack complexity, resulting in high confidentiality and availability impacts. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.15.0, < 1.15.2CPE matchmatch criteria | cpe:2.3:a:openstack:os-vif:*:*:*:*:*:*:*:* | ||
1.16.0CPE matchmatch criteria | cpe:2.3:a:openstack:os-vif:1.16.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.