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osvGoogleOSV:GO-2024-2748
HistoryMay 20, 2024 - 7:46 p.m.

Privilege Escalation in Kubernetes in k8s.io/apimachinery

2024-05-2019:46:32
Google
osv.dev
8
kubernetes
kube-apiserver
vulnerability
unvalidated redirect
privilege escalation
attacker
node compromise
cluster compromise

CVSS2

6

Attack Vector

NETWORK

Attack 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

CVSS3

6.8

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

AI Score

6.4

Confidence

High

EPSS

0.003

Percentile

71.5%

The Kubernetes kube-apiserver is 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.

CVSS2

6

Attack Vector

NETWORK

Attack 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

CVSS3

6.8

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

AI Score

6.4

Confidence

High

EPSS

0.003

Percentile

71.5%