CVE-2020-8551
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-8551
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-8551.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.17.4-1 |
| debian | bullseye | fixed | 1.17.4-1 |
| debian | forky | fixed | 1.17.4-1 |
| debian | sid | fixed | 1.17.4-1 |
| debian | trixie | fixed | 1.17.4-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | k8s.io/kubernetes | >=1.15.0,<1.15.10 | 1.15.10 |
| Go | k8s.io/kubernetes | >=1.16.0,<1.16.6 | 1.16.6 |
| Go | k8s.io/kubernetes | >=1.17.0,<1.17.2 | 1.17.2 |
References
- https://www.suse.com/security/cve/CVE-2020-8551.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-8551
- https://github.com/kubernetes/kubernetes/issues/89377
- https://github.com/kubernetes/kubernetes/pull/87913
- https://github.com/kubernetes/kubernetes/commit/9802bfcec0580169cffce2a3d468689a407fa7dc
- https://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX
- https://security.netapp.com/advisory/ntap-20200413-0003
- https://github.com/advisories/GHSA-qhm4-jxv7-j9pq
- https://security-tracker.debian.org/tracker/CVE-2020-8551
Verify integrity in audit chain (admin only). AS-IS.