RCE in Kubernetes Cri-o
CVE-2022-0811
A flaw was found in CRI-O in the way it set kernel options for a pod. This issue allows anyone with rights to deploy a pod on a Kubernetes cluster that uses the CRI-O runtime to achieve a container escape and arbitrary code execution as ro…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.190 (96.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kubernetes Cri-o
- N/a Cri-o — versions cri-o 1.24.0, cri-o 1.23.2, cri-o 1.22.3, cri-o 1.21.6, cri-o 1.20.7, cri-o 1.19.6
Weakness classification (CWE)
Public proof-of-concept exploits
- spiarh/webhook-cve-2022-0811
- 43622283/awesome-cloud-native-security
- ARPSyndicate/cvemon
- Ahmed-U-Github/500-k8-prod-issue
- Aimona/k8s-500-prod-issues
- Aleemohammed/500K8S-Scenarios
- Balaram-kishore/K8s-senarios---realtime
- Deep2631/500-Prod-realtime-kubernetes-issues
- LouisLiuNova/container-escape-exploits
- Metarget/awesome-cloud-native-security
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-0811?
- CVE-2022-0811 is a high-severity vulnerability in Kubernetes Cri-o, classified under Code Injection. CVSS score: 8.8/10. Published 2022-03-16.
- How severe is CVE-2022-0811?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-0811 known to be exploited?
- 53 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.