How severe is CVE-2020-10731?

CVE-2020-10731 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10731 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10731?

CVE-2020-10731 primarily affects Redhat Openstack Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10731?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-10731 published?

CVE-2020-10731 was published on 2020-07-31 and last updated on 2026-06-17.

CVE-2020-10731

CVE-2020-10731 is a critical-severity vulnerability in Redhat Openstack Platform with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v2: 6.5
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Redhat Openstack Platform
Published: 2020-07-31
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-10731?: 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.
How severe is CVE-2020-10731?: CVE-2020-10731 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10731 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10731?: CVE-2020-10731 primarily affects Redhat Openstack Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10731?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-10731 published?: CVE-2020-10731 was published on 2020-07-31 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1831544

Affected products (3)

cpe:2.3:a:redhat:openstack_platform:15.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack_platform:16.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack_platform:16.1:*:*:*:*:*:*:*

More vulnerabilities in Redhat Openstack Platform

CVE-2022-2132 — High (CVSS 8.6): A permissive list of allowed inputs flaw was found in DPDK. This issue allows a remote attacker to cause a denial of…
CVE-2023-1668 — High (CVSS 8.2): A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the datapath flow…
CVE-2024-8007 — High (CVSS 8.1): A flaw was found in the openstack-tripleo-common component of the Red Hat OpenStack Platform (RHOSP) director. This…
CVE-2022-23451 — High (CVSS 8.1): An authorization flaw was found in openstack-barbican. The default policy rules for the secret metadata API allowed any…
CVE-2017-15114 — High (CVSS 8.1): When libvirtd is configured by OSP director (tripleo-heat-templates) to use the TLS transport it defaults to the same…
CVE-2023-44487 — High (CVSS 7.5): The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset…

All CVEs affecting Redhat Openstack Platform →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-76607 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.3 - ???.
CVE-2026-20315 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
CVE-2026-70921 — Critical (CVSS 10.0): Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The…
CVE-2026-66803 — Critical (CVSS 10.0): Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.
CVE-2026-58630 — Critical (CVSS 10.0): Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-60358 — Critical (CVSS 10.0): Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).…

Browse all CWE-284 (Improper Access Control) vulnerabilities →