Vulnerability record · CVE-2020-27352 · published 21 June 2024

CVE-2020-27352: Canonical snapd improper privilege management vulnerability

Canonical · Snapd

When generating the systemd service units for the docker snap (and other similar snaps), snapd does not specify Delegate=yes - as a result systemd will move processes from the containers created and managed by these snaps into the cgroup of the main daemon within the snap itself when reloading system units. This may grant additional privileges to a container within the snap that were not originally intended.

8.8 CVSS 3.1 High EPSS 0.26% · top 84.1% CWE-269 · Improper privilege management

8.8CVSS 3.1 base score

0.26%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

6References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

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

Affected products

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

Snapd Canonical

Ubuntu Linux Canonical

References

Link	Tags
https://bugs.launchpad.net/snapd/+bug/1910456	ExploitIssue Tracking
https://ubuntu.com/security/notices/USN-4728-1	Vendor Advisory
https://www.cve.org/CVERecord?id=CVE-2020-27352	Third Party Advisory
https://bugs.launchpad.net/snapd/+bug/1910456	ExploitIssue Tracking
https://ubuntu.com/security/notices/USN-4728-1	Vendor Advisory
https://www.cve.org/CVERecord?id=CVE-2020-27352	Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-27352), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.