CVE-2019-3886: fedoraproject fedora Missing Authorization
Vulnerability summary
CVE-2019-3886 is a medium (CVSS 5.4) Missing Authorization vulnerability in fedoraproject fedora. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 7 · Related 5Timeline
- 04-04-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 3 sources · 3 versions- NVDNIST5.4MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- NVDNIST5.4MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS trend
Probability
1.12%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
+0.01 pp
From 1.11% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Suse2 products
- libvirt&distro=SUSE Linux Enterprise Module for Basesystem 15< 4.0.0-9.19.4
- libvirt&distro=SUSE Linux Enterprise Module for Server Applications 15< 4.0.0-9.19.4
Debian1 product
- libvirt< 5.0.0-2
Fedoraproject1 product
- fedoraEOL29 | 30
Opensuse1 product
- leapEOL42.3
Redhat1 product
- libvirt≥ 4.8.0, < 5.3.0
The libvirt project1 product
- libvirt4.8.0 and above
6 vendors · 7 products
References
12 links- lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlVendor AdvisoryMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
