High
Security advisory
Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-25749
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:35 UTC · Revision 1
Source evidence
Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.
osv:CVE-2021-25749
Complete source record
{
"id": "cef2b8936e8aa87b996136d777b74289c9fe56f056470bf349cd089ea6f5f845",
"url": "https://osv.dev/vulnerability/CVE-2021-25749",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-25749",
"summary": "Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.",
"evidence": "osv:CVE-2021-25749",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-25749",
"aliases": [
"CVE-2021-25749"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/kubernetes/kubelet",
"type": "GIT",
"events": [
{
"introduced": "30b4cd52c54df86ed93459ba84b3e61877fc28ea"
},
{
"last_affected": "2f96697a6b8649844ec80a9bbe6d7cde3b197f5b"
},
{
"introduced": "cb25f113ccf051d34612b05d6c04c1f892167b0c"
},
{
"fixed": "2ae51c44fef8170271ddd4125cf97c78a7531b4c"
},
{
"introduced": "b1292eb3207057f0274a51330ba8d612f4faadd6"
},
{
"fixed": "74f98f8702d1757d157785991292b05156e53936"
},
{
"introduced": "dfb3e7ad852bb4bddb790a705c185cef198c2823"
},
{
"fixed": "800eab5fc8c7c2e3df7aa13b5a334eb33ae2d421"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.20.0"
},
{
"last_affected": "1.21.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.22.0"
},
{
"fixed": "1.22.14"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"range": [
{
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},
{
"fixed": "1.23.11"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.24.0"
},
{
"fixed": "1.24.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25749.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/kubernetes/kubernetes",
"type": "GIT",
"events": [
{
"introduced": "af46c47ce925f4c4ad5cc8d1fca46c7b77d13b38"
},
{
"last_affected": "cb303e613a121a29364f75cc67d3d580833a7479"
},
{
"introduced": "c2b5237ccd9c0f1d600d3072634ca66cefdf272f"
},
{
"fixed": "bccf857df03c5a99a35e34020b3b63055f0c12ec"
},
{
"introduced": "ab69524f795c42094a6630298ff53f3c3ebab7f4"
},
{
"fixed": "dc2898b20c6bd9602ae1c3b51333e2e4640ed249"
},
{
"introduced": "4ce5a8954017644c5420bae81d72b09b735c21f0"
},
{
"fixed": "e979822c185a14537054f15808a118d7fcce1d6e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.20.0"
},
{
"last_affected": "1.21.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.22.0"
},
{
"fixed": "1.22.14"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.23.0"
},
{
"fixed": "1.23.11"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.24.0"
},
{
"fixed": "1.24.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v1.24.5-rc.0",
"v1.23.11-rc.0",
"v1.22.14-rc.0",
"v1.24.4",
"v1.23.10",
"v1.22.13",
"v1.22.13-rc.0",
"v1.24.4-rc.0",
"v1.23.10-rc.0",
"v1.22.12",
"v1.24.3",
"v1.23.9",
"v1.23.9-rc.0",
"v1.22.12-rc.0",
"v1.23.8",
"v1.22.11",
"v1.24.3-rc.0",
"v1.24.2",
"v1.22.11-rc.0",
"v1.23.8-rc.0",
"v1.24.2-rc.0",
"v1.22.10",
"v1.23.7",
"v1.24.1",
"v1.24.1-rc.0",
"v1.24.0",
"v1.23.7-rc.0",
"v1.23.6",
"v1.22.10-rc.0",
"v1.22.9",
"v1.23.6-rc.0",
"v1.23.5",
"v1.22.9-rc.0",
"v1.22.8",
"v1.23.5-rc.0",
"v1.22.8-rc.0",
"v1.23.4",
"v1.22.7",
"v1.23.4-rc.0",
"v1.23.3",
"v1.23.3-rc.0",
"v1.22.7-rc.0",
"v1.23.2",
"v1.22.6",
"v1.23.2-rc.0",
"v1.23.1",
"v1.22.6-rc.0",
"v1.22.5",
"v1.23.1-rc.0",
"v1.23.0",
"v1.22.5-rc.0",
"v1.22.4",
"v1.22.4-rc.0",
"v1.22.3",
"v1.22.3-rc.0",
"v1.22.2",
"v1.22.2-rc.0",
"v1.22.1",
"v1.22.1-rc.0",
"v1.22.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25749.json"
}
}
],
"modified": "2026-10-24T10:30:20.435883085Z",
"provider": "osv",
"references": [
"https://groups.google.com/g/kubernetes-security-announce/c/qqTZgulISzA"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-25749",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430265,
"published_at": "2023-05-24T17:15:09.413+00:00"
}