CVSS 3.1
9.9 criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HCVE-2021-25320
Critical (9.9) in rancher rancher. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in github.com/rancher/rancher 2.4.16, 2.5.9.
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.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
- CWE
- CWE-284
- Published
- Modified
- Record from
- the NVD, synced
Affected
- rancher:rancher
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-gqf8-rvrh-g7w6 | Go | github.com/rancher/rancher | >=2.2.0 <2.4.16 | 2.4.16 |
| GHSA-gqf8-rvrh-g7w6 | Go | github.com/rancher/rancher | >=2.5.0 <2.5.9 | 2.5.9 |
| GO-2026-4589 | Go | github.com/rancher/rancher | >=2.2.0+incompatible | no fix published |