CVE-2021-25749 runAsNonRoot logic bypass for Windows containers

2023-05-2400:00:00

CWE-284

kubernetes

www.cve.org

cve-2021-25749

windows

runasnonroot

logic bypass

windows containers

containeradministrator

workloads

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

Percentile

9.0%

JSON

Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.

CNA Affected

[
  {
    "vendor": "Kubernetes",
    "product": "Kubernetes",
    "versions": [
      {
        "version": "kubelet v1.22.0 - v1.22.13",
        "status": "affected",
        "lessThan": "v1.22.14",
        "versionType": "custom"
      },
      {
        "version": "kubelet v1.23.0 - v1.23.10",
        "status": "affected",
        "lessThan": "v1.23.11",
        "versionType": "custom"
      },
      {
        "version": "kubelet v1.24.0 - v1.24.4",
        "status": "affected",
        "lessThan": "v1.24.5",
        "versionType": "custom"
      }
    ]
  }
]