CVE-2020-1690

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-07 · updated 2026-06-17
Weakness: CWE-285

Description

An improper authorization flaw was discovered in openstack-selinux's applied policy where it does not prevent a non-root user in a container from privilege escalation. A non-root attacker in one or more Red Hat OpenStack (RHOSP) containers could send messages to the dbus. With access to the dbus, the attacker could start or stop services, possibly causing a denial of service. Versions before openstack-selinux 0.8.24 are affected.

Affected products

RedHat Openstack-Selinux: before 0.8.24 — fixed in 0.8.24
nova_libvirt container provided by the Red Hat OpenStack Platform: 15.0, 16.1

How to fix

Upgrade to a fixed version: RedHat Openstack-Selinux 0.8.24. Check the vendor advisory for mitigations.

References

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