CVE-2018-1000400: kubernetes cri-o Improper Privilege Management
Vulnerability summary
CVE-2018-1000400 is a high (CVSS 8.8) Improper Privilege Management vulnerability in kubernetes cri-o. EPSS estimates a 1.97% chance of exploitation in the next 30 days, higher than 80.4% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 18-05-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.97%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
Decrease -0.04 pp
From 2.01% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Kubernetes1 product
- cri-o< 1.9.0
1 vendor · 1 product