GitHub Advisory DatabaseGHSA-33C5-9FX5-FVJMPrivilege Escalation in Kubernetes
6.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
7.2 High
AI Score
Confidence
High
6 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:P/A:P
0.003 Low
EPSS
Percentile
71.2%
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.7 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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| k8s.io/kubernetes | lt | 0.18.7 | |
| k8s.io/kubernetes | lt | 0.17.9 | |
| k8s.io/kubernetes | lt | 0.16.13 |
References
bugzilla.redhat.com/show_bug.cgi?id=1851422
github.com/advisories/GHSA-33c5-9fx5-fvjm
github.com/kubernetes/kubernetes/issues/92914
github.com/kubernetes/kubernetes/pull/92941
github.com/tdwyer/CVE-2020-8559
groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ
groups.google.com/g/kubernetes-security-announce/c/JAIGG5yNROs
nvd.nist.gov/vuln/detail/CVE-2020-8559
security.netapp.com/advisory/ntap-20200810-0004
Related
6.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
7.2 High
AI Score
Confidence
High
6 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:P/A:P
0.003 Low
EPSS
Percentile
71.2%