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Vulnerability record · CVE-2020-1690 · published 7 June 2021

CVE-2020-1690: Redhat openstack-selinux improper authorization vulnerability

Redhat · Openstack Selinux

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.

6.5 CVSS 3.1 Medium EPSS 0.22% · top 88.6% CWE-285 · Improper authorization
6.5CVSS 3.1 base score, v2 4.9
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1789640 Issue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1789640 Issue TrackingVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-1690), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.