Critical
Security advisory
A Improper Access Control vulnerability in Rancher, allows users in the cluster to make request to cloud providers by creating requests with the cloud-credential ID. Rancher in this case would attach the requested credentials without further checks This issue affects: Rancher versions prior to 2.5.9; Rancher versions prior to 2.4.16.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-25320
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:02 UTC · Revision 1
Source evidence
A Improper Access Control vulnerability in Rancher, allows users in the cluster to make request to cloud providers by creating requests with the cloud-credential ID. Rancher in this case would attach the requested credentials without further checks This issue affects: Rancher versions prior to 2.5.9; Rancher versions prior to 2.4.16.
osv:CVE-2021-25320
Complete source record
{
"id": "47e338bfc20018c2323dcfd0e59d4d3dd85c68d1e5de99a68828ebee8a0754ff",
"url": "https://osv.dev/vulnerability/CVE-2021-25320",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-25320",
"summary": "A Improper Access Control vulnerability in Rancher, allows users in the cluster to make request to cloud providers by creating requests with the cloud-credential ID. Rancher in this case would attach the requested credentials without further checks This issue affects: Rancher versions prior to 2.5.9; Rancher versions prior to 2.4.16.",
"evidence": "osv:CVE-2021-25320",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2021-25320",
"aliases": [
"CVE-2021-25320",
"GHSA-gqf8-rvrh-g7w6",
"GO-2026-4589"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/rancher/rancher",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "c29a771063e6926df6916990f1730e0574042ba8"
},
{
"introduced": "65f3525cdc1167872af4140d45f3153698450c52"
},
{
"fixed": "3c54189441fdac08fd4a1b3113216e085004f061"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.4.16"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.5.0"
},
{
"fixed": "2.5.9"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25320.json"
}
}
],
"modified": "2026-10-24T10:30:24.063479377Z",
"provider": "osv",
"references": [
"https://bugzilla.suse.com/show_bug.cgi?id=1185514"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-25320",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431071,
"published_at": "2021-07-15T09:15:08.143+00:00"
}