{
"id": "GHSA-mfv7-gq43-w965",
"aliases": [
"CVE-2021-25737"
],
"details": "A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.",
"summary": "Incomplete List of Disallowed Inputs in Kubernetes",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.16.0"
},
{
"fixed": "1.18.19"
}
]
}
],
"package": {
"name": "k8s.io/kubernetes",
"ecosystem": "Go"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.19.0"
},
{
"fixed": "1.19.11"
}
]
}
],
"package": {
"name": "k8s.io/kubernetes",
"ecosystem": "Go"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.20.0"
},
{
"fixed": "1.20.7"
}
]
}
],
"package": {
"name": "k8s.io/kubernetes",
"ecosystem": "Go"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.21.0"
},
{
"fixed": "1.21.1"
}
]
}
],
"package": {
"name": "k8s.io/kubernetes",
"ecosystem": "Go"
},
"versions": [
"1.21.0"
]
}
],
"modified": "2021-09-14T18:47:27Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"
}
],
"published": "2021-09-07T23:09:24Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-25737",
"type": "ADVISORY"
},
{
"url": "https://github.com/kubernetes/kubernetes/issues/102106",
"type": "WEB"
},
{
"url": "https://github.com/kubernetes/kubernetes",
"type": "PACKAGE"
},
{
"url": "https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY",
"type": "WEB"
},
{
"url": "https://security.netapp.com/advisory/ntap-20211004-0004",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-184",
"CWE-601"
],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": "2021-09-06T12:15:00Z",
"github_reviewed_at": "2021-09-07T18:59:14Z"
}
}