Privilege escalation in Kubernetes Cri-o

CVE-2018-1000400

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 the…

Vulnerability class: Privilege Escalation

EPSS: 0.021 (79.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2018-1000400?
CVE-2018-1000400 is a high-severity vulnerability in Kubernetes Cri-o, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2018-05-18.
How severe is CVE-2018-1000400?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-1000400 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.