CVE-2019-3886
An 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
02 Description
An 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.11% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 65.9% of scored records. A rank, not a probability.
- NVD base score
- 5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-04-04 00:00Z7 YR AGO
- Last updated
- 2024-08-04 19:19Z2 YR AGO
- Reserved
- 2019-01-03
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.4)
- CNA CVSS vector
- CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- Weaknesses
- CWE-862Missing AuthorizationClass
- Data version
- 5.1
- Document digest
- da3dcb45a6f9c1f2673ceabc5cc341efecc69398a4243960fe807f2792c1b9bd
05 Affected products
06 References
- www.securityfocus.com107777http://www.securityfocus.com/bid/107777
- lists.opensuse.orgopenSUSE-SU-2019:1294http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html
- usn.ubuntu.comUSN-4021-1https://usn.ubuntu.com/4021-1/
- lists.fedoraproject.orgFEDORA-2019-b2dfb13dafhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5DHYIFECZ7BMVXK4EP4FDFZXK7I5MZH/
- lists.fedoraproject.orgFEDORA-2019-9210998aaahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYMNKXAUBZCFBBPFH64FJPH5EJH4GSU2/
- access.redhat.comRHBA-2019:3723https://access.redhat.com/errata/RHBA-2019:3723
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3886
07 Fixed in
Debian 12
- libvirt Fixed in 5.0.0-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libvirt Fixed in 5.0.0-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libvirt Fixed in 5.0.0-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.