ghsa-864f-7xjm-2jp2
Vulnerability from github
Published
2025-04-25 06:30
Modified
2025-05-05 21:57
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Summary
CNCF K3s Kubernetes kubelet configuration exposes credentials
Details

CNCF K3s 1.32 before 1.32.4-rc1+k3s1 has a Kubernetes kubelet configuration change with the unintended consequence that, in some situations, ReadOnlyPort is set to 10255. For example, the default behavior of a K3s online installation might allow unauthenticated access to this port, exposing credentials.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/k3s-io/k3s"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.32.0-rc1"
            },
            {
              "fixed": "1.32.4-rc1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-46599"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1188"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-25T15:07:32Z",
    "nvd_published_at": "2025-04-25T05:15:33Z",
    "severity": "MODERATE"
  },
  "details": "CNCF K3s 1.32 before 1.32.4-rc1+k3s1 has a Kubernetes kubelet configuration change with the unintended consequence that, in some situations, ReadOnlyPort is set to 10255. For example, the default behavior of a K3s online installation might allow unauthenticated access to this port, exposing credentials.",
  "id": "GHSA-864f-7xjm-2jp2",
  "modified": "2025-05-05T21:57:30Z",
  "published": "2025-04-25T06:30:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-46599"
    },
    {
      "type": "WEB",
      "url": "https://github.com/f1veT/BUG/issues/2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/k3s-io/k3s/issues/12164"
    },
    {
      "type": "WEB",
      "url": "https://github.com/k3s-io/k3s/commit/097b63e588e3c844cdf9b967bcd0a69f4fc0aa0a"
    },
    {
      "type": "WEB",
      "url": "https://cloud.google.com/kubernetes-engine/docs/how-to/disable-kubelet-readonly-port"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/k3s-io/k3s"
    },
    {
      "type": "WEB",
      "url": "https://github.com/k3s-io/k3s/compare/v1.32.3+k3s1...v1.32.4-rc1+k3s1"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2025-3646"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "CNCF K3s Kubernetes kubelet configuration exposes credentials"
}


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