libvirt: virsh domhostname command discloses guest hostname in readonly mode
Published Apr 4, 2019
5.4
MEDIUMCVSS 3.1
EPSS 1.12%
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.
Affected products
-
- Version 4.8.0 and aboveStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The libvirt Project | Libvirt | n/a |
|
Configuration 3
- 29
- 30
No data.
Advanced Virtualization for RHEL 8.1.0
virt-devel:8.1-8010020190927171011.cdc1202b
Fixed · RHBA-2019:3723
Advanced Virtualization for RHEL 8.1.0
virt:8.1-8010020190927171011.cdc1202b
Fixed · RHBA-2019:3723
Red Hat Enterprise Linux 5
libvirt
Not affected
Red Hat Enterprise Linux 6
libvirt
Not affected
Red Hat Enterprise Linux 7
libvirt
Not affected
Red Hat Enterprise Linux 8
virt:rhel/libvirt
Not affected
Red Hat Enterprise Linux 8 Advanced Virtualization
virt:8.0.0/libvirt
Affected
Red Hat Storage 3
libvirt
Not affected
Red Hat Virtualization 4
libvirt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Advanced Virtualization for RHEL 8.1.0 | virt-devel:8.1-8010020190927171011.cdc1202b | Fixed | RHBA-2019:3723 |
| Advanced Virtualization for RHEL 8.1.0 | virt:8.1-8010020190927171011.cdc1202b | Fixed | RHBA-2019:3723 |
| Red Hat Enterprise Linux 5 | libvirt | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libvirt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libvirt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | virt:rhel/libvirt | Not affected | n/a |
| Red Hat Enterprise Linux 8 Advanced Virtualization | virt:8.0.0/libvirt | Affected | n/a |
| Red Hat Storage 3 | libvirt | Not affected | n/a |
| Red Hat Virtualization 4 | libvirt | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
AV:A/AC:L/Au:N/C:P/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.12% (0.01117) | 64.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.11% (0.01108) | 61.47th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.53% (0.00525) | 64.37th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.68% (0.06676) | 84.99th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.25% (0.00253) | 46.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00145) | 51.91th | v3 (v2023.03.01) |
| Mar 28, 2024 | 0.17% (0.00172) | 53.29th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.12% (0.00121) | 45.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00106) | 41.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.31% (0.03305) | 65.81th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.63% (0.08626) | 85.56th | v1 |
| Jan 6, 2022 | 8.63% (0.08626) | 85.39th | v1 |
| Jan 5, 2022 | 2.06% (0.02061) | 77.63th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.06% (0.02061) | 0.00th | v1 |
References (11)
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html vendor-advisoryMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/107777 vdb-entryThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHBA-2019:3723 vendor-advisoryThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-3886 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1694880 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3886 ExploitIssue TrackingPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYMNKXAUBZCFBBPFH64FJPH5EJH4GSU2/ vendor-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5DHYIFECZ7BMVXK4EP4FDFZXK7I5MZH/ vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-3886
- https://usn.ubuntu.com/4021-1/ vendor-advisoryThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-3886
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html | vendor-advisoryMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/107777 | vdb-entryThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/errata/RHBA-2019:3723 | vendor-advisoryThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2019-3886 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1694880 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3886 | ExploitIssue TrackingPatchThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYMNKXAUBZCFBBPFH64FJPH5EJH4GSU2/ | vendor-advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5DHYIFECZ7BMVXK4EP4FDFZXK7I5MZH/ | vendor-advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-3886 | ||
| https://usn.ubuntu.com/4021-1/ | vendor-advisoryThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2019-3886 |
Change history (0)
No recorded changes yet.