Privilege escalation in Canonical Microk8s
CVE-2019-15789
Privilege escalation vulnerability in MicroK8s allows a low privilege user with local access to obtain root access to the host by provisioning a privileged container. Fixed in MicroK8s 1.15.3.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Canonical Microk8s — versions 1.15
Weakness classification (CWE)
References
- github.com/ubuntu/microk8s/pull/590 (Third Party Advisory)
- people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-15789.html (Vendor Advisory)
- pulsesecurity.co.nz/advisories/microk8s-privilege-escalation (Exploit, Third Party Advisory)
- discuss.kubernetes.io/t/explicit-use-of-sudo-in-microk8s-cli/7605 (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15789?
- CVE-2019-15789 is a high-severity vulnerability in Canonical Microk8s, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2020-04-08.
- How severe is CVE-2019-15789?
- High severity. CVSS v3 base score is 8.8 out of 10.