CVE-2020-10731

A flaw was found in the nova_libvirt container provided by the Red Hat OpenStack Platform 16,...

9.9 CriticalFix available

A flaw was found in the nova_libvirt container provided by the Red Hat OpenStack Platform 16, where it does not have SELinux enabled. This flaw causes sVirt, an important isolation mechanism, to be disabled for all running virtual machines.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.89%Up 0.5 points since Apr 14, 2021

What each source reports

NVD Score used 9.9

Record: CVE-2020-10731
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-284
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-10731
Weakness: CWE-284
Updated: 2026-11-02

EUVDEUVD-2020-3156 No score

Record: EUVD-2020-3156
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9m56-29jp-mr7j 9.9

A flaw was found in the nova_libvirt container provided by the Red Hat OpenStack Platform 16,...

Record: GHSA-9m56-29jp-mr7j
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-284
Updated: 2026-11-02

OSVRHSA-2020:3199 9.9

Red Hat Security Advisory: openstack-tripleo-heat-templates security update

Record: RHSA-2020:3199
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2020:3406 9.9

Red Hat Security Advisory: python-paunch and openstack-tripleo-heat-templates security update

Record: RHSA-2020:3406
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2020:3410 9.9

Red Hat Security Advisory: python-paunch and openstack-tripleo-heat-templates security update

Record: RHSA-2020:3410
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

redhat openstack platform

Affected packages

Affected packages
Package	Affected	Fixed
`openstack-tripleo-heat-templates` Red Hat:openstack:16.1::el8	before 0:11.3.2-0.20200616081532.396affd.el8ost	0:11.3.2-0.20200616081532.396affd.el8ost
`openstack-tripleo-heat-templates` Red Hat:openstack:16::el8	before 0:11.3.2-0.20200405044628.ec9970c.el8ost	0:11.3.2-0.20200405044628.ec9970c.el8ost
`paunch-services` Red Hat:openstack:16::el8	before 0:5.3.2-0.20200320172310.ebc49c4.el8ost	0:5.3.2-0.20200320172310.ebc49c4.el8ost
`python-paunch` Red Hat:openstack:16::el8	before 0:5.3.2-0.20200320172310.ebc49c4.el8ost	0:5.3.2-0.20200320172310.ebc49c4.el8ost
`python3-paunch` Red Hat:openstack:16::el8	before 0:5.3.2-0.20200320172310.ebc49c4.el8ost	0:5.3.2-0.20200320172310.ebc49c4.el8ost
`openstack-tripleo-heat-templates` Red Hat:openstack:15::el8	before 0:10.6.3-0.20200113185561.cf467ea.el8ost	0:10.6.3-0.20200113185561.cf467ea.el8ost
`paunch-services` Red Hat:openstack:15::el8	before 0:4.5.3-0.20200108190460.3c38fe6.el8ost	0:4.5.3-0.20200108190460.3c38fe6.el8ost
`python-paunch` Red Hat:openstack:15::el8	before 0:4.5.3-0.20200108190460.3c38fe6.el8ost	0:4.5.3-0.20200108190460.3c38fe6.el8ost
`python3-paunch` Red Hat:openstack:15::el8	before 0:4.5.3-0.20200108190460.3c38fe6.el8ost	0:4.5.3-0.20200108190460.3c38fe6.el8ost

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-10731 is a critical vulnerability (CVSS 9.9) in Redhat Openstack Platform, published July 31, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.89%, the 59th percentile. Fixed in openstack-tripleo-heat-templates 0:11.3.2-0.20200616081532.396affd.el8ost.

References

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