Resource exhaustion in Kubernetes
CVE-2020-8551
The Kubelet component in versions 1.15.0-1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authenticated HTTPS API typically served on port 10250.
EPSS: 0.011 (63.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Kubernetes — versions unspecified
- Fedoraproject Fedora — versions 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jordan@liggitt.net (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- jordan@liggitt.net (x_refsource_MISC)
- jordan@liggitt.net (x_refsource_CONFIRM, Third Party Advisory)
- jordan@liggitt.net (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-8551?
- CVE-2020-8551 is a medium-severity vulnerability in Kubernetes, classified under CWE-789. CVSS score: 4.3/10. Published 2020-03-27.
- How severe is CVE-2020-8551?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2020-8551 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.