CVE-2019-3886 describes an incorrect permissions check in libvirt versions 4.8.0 and above, allowing users with readonly permissions to invoke guest agent APIs. This flaw could lead to unintended information disclosure or a denial of service by causing libvirt to block. With a CVSS score of 5.4 (Medium), this vulnerability has a low attack complexity and requires network access, potentially impacting confidentiality and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.8.0, < 5.3.0CPE matchmatch criteria | cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* | ||
42.3CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* | ||
29CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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.
CVE-2019-3886
Sep 8, 2020An incorrect permissions check was discovered in libvirt 4.8.0 and above. The readonly permission was allowed to invoke APIs depending on the guest agent which could lead to potentially disclosing unintended information or denial of service by causing libvirt to block.
Apr 9, 2019libvirt: virsh domhostname command discloses guest hostname in readonly mode
Apr 3, 2019