CVE-2019-3886

Name: CVE-2019-3886
Creator: NVD / NIST
Published: 2019-04-04T16:29:03.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2019-3886 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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 unintended information or denial of service by causing libvirt to block.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

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 unintended information or denial of service by causing libvirt to block.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

EPSS Probability

1.11%

61.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Libvirt	>= 4.8.0, < 5.3.0
Opensuse	Leap	42.3
Fedoraproject	Fedora	29
Fedoraproject	Fedora	30

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/107777Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHBA-2019:3723Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3886Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYMNKXAUBZCFBBPFH64FJPH5EJH4GSU2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5DHYIFECZ7BMVXK4EP4FDFZXK7I5MZH/
https://usn.ubuntu.com/4021-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/107777Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHBA-2019:3723Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3886Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYMNKXAUBZCFBBPFH64FJPH5EJH4GSU2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5DHYIFECZ7BMVXK4EP4FDFZXK7I5MZH/
https://usn.ubuntu.com/4021-1/Third Party Advisory

Timeline

Published: Apr 4, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3886?

How severe is CVE-2019-3886?

CVE-2019-3886 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3886?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3886?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST