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Vulnerability record · CVE-2017-18641 · published 10 February 2020

CVE-2017-18641: Linuxcontainers lxc improper authentication vulnerability

Linuxcontainers · Lxc

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers.

8.1 CVSS 3.1 High EPSS 1.4% · top 29.5% CWE-287 · Improper authentication
8.1CVSS 3.1 base score, v2 9.3
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers.

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

Affected products

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

References

LinkTags
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1661447 Issue TrackingPatchThird Party Advisory
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1661447 Issue TrackingPatchThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2017-18641), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.