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Vulnerability record · CVE-2018-1000400 · published 18 May 2018

CVE-2018-1000400: Kubernetes cri-o improper privilege management vulnerability

Kubernetes · Cri O

Kubernetes CRI-O version prior to 1.9 contains a Privilege Context Switching Error (CWE-270) vulnerability in the handling of ambient capabilities that can result in containers running with elevated privileges, allowing users abilities they should not have. This attack appears to be exploitable via container execution. This vulnerability appears to have been fixed in 1.9.

8.8 CVSS 3.0 High EPSS 2.0% · top 20.0% CWE-269 · Improper privilege management
8.8CVSS 3.0 base score, v2 6.5
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Kubernetes CRI-O version prior to 1.9 contains a Privilege Context Switching Error (CWE-270) vulnerability in the handling of ambient capabilities that can result in containers running with elevated privileges, allowing users abilities they should not have. This attack appears to be exploitable via container execution. This vulnerability appears to have been fixed in 1.9.

CVSS:3.0/AV:N/AC:L/PR:L/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
http://www.securityfocus.com/bid/104262 Third Party AdvisoryVDB Entry
https://github.com/kubernetes-incubator/cri-o/pull/1558/files PatchThird Party Advisory
http://www.securityfocus.com/bid/104262 Third Party AdvisoryVDB Entry
https://github.com/kubernetes-incubator/cri-o/pull/1558/files PatchThird Party 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-2018-1000400), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.