What is CVE-2021-25320?

CVE-2021-25320 is a critical-severity vulnerability in Rancher, classified under Improper Access Control. CVSS score: 9.9/10. Published 2021-07-15.

How severe is CVE-2021-25320?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Rancher

CVE-2021-25320

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.

EPSS: 0.009 (55.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Rancher — versions Rancher

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

meissner@suse.de (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-25320?: CVE-2021-25320 is a critical-severity vulnerability in Rancher, classified under Improper Access Control. CVSS score: 9.9/10. Published 2021-07-15.
How severe is CVE-2021-25320?: Critical severity. CVSS v3 base score is 9.9 out of 10.