Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 a full cluster compromise.

Published

2020-07-22T14:15:16.517

Last Modified

2024-11-21T05:39:01.920

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

6.8

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-601
Type: Primary
CWE-601

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	kubernetes	kubernetes	≤ 1.15.0	Yes
Application	kubernetes	kubernetes	< 1.16.13	Yes
Application	kubernetes	kubernetes	< 1.17.9	Yes
Application	kubernetes	kubernetes	< 1.18.6	Yes

References

https://github.com/kubernetes/kubernetes/issues/92914 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ Exploit, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20200810-0004/ Third Party Advisory ([email protected])
https://github.com/kubernetes/kubernetes/issues/92914 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20200810-0004/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)