VulnerabilityModified
CVE-2020-8559
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to…
MEDIUM 6.8EPSS 6.10%
Does this matter?
Lower severity and a low EPSS score (6.10%). Track it; it rarely justifies an emergency change on its own.
Description
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.
- CVSS 3.1
- 6.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 6.10% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-601
- Affected
- kubernetes/kubernetes
- Source
- jordan@liggitt.net
References
- https://github.com/kubernetes/kubernetes/issues/92914Exploit, Issue Tracking, Patch, Third Party Advisory
- https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJExploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200810-0004/Third Party Advisory
- https://github.com/kubernetes/kubernetes/issues/92914Exploit, Issue Tracking, Patch, Third Party Advisory
- https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJExploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200810-0004/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.