CVE-2020-8551
MEDIUM4.3EPSS 0.18%Allocation of Resources Without Limits or Throttling and Uncontrolled Memory Allocation in Kubernetes in k8s.io/kubernetes
Published: 2/15/2022Modified: 4/28/2026
Description
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.
Affected packages (3)
- Debian/kubernetesfrom 0, < 1.17.4-1
- Go/k8s.io/kubernetes>= 1.15.0, < 1.15.10
- Go/k8s.io/kubernetes>= 1.15.0, < 1.15.10, >= 1.16.0, < 1.16.6, >= 1.17.0, < 1.17.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References (9)
- ADVISORYhttps://github.com/advisories/GHSA-qhm4-jxv7-j9pq
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-8551
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-8551
- WEBhttps://github.com/kubernetes/kubernetes/commit/9802bfcec0580169cffce2a3d468689a407fa7dc
- WEBhttps://github.com/kubernetes/kubernetes/issues/89377
- WEBhttps://github.com/kubernetes/kubernetes/pull/87913
- WEBhttps://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX
- WEBhttps://security.netapp.com/advisory/ntap-20200413-0003