What is CVE-2021-32001?

CVE-2021-32001 is a medium-severity vulnerability in SUSE Rancher, classified under Missing Encryption of Sensitive Data. CVSS score: 6.5/10. Published 2021-07-28.

How severe is CVE-2021-32001?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in SUSE Rancher

CVE-2021-32001

K3s in SUSE Rancher allows any user with direct access to the datastore, or a copy of a datastore backup, to extract the cluster's confidential keying material (cluster certificate authority private keys, secrets encryption configuration passphrase, etc.) and decrypt it, without having to know the token value. This issue affects: SUSE Rancher K3s version v1.19.12+k3s1, v1.20.8+k3s1, v1.21.2+k3s1 and prior versions; RKE2 version v1.19.12+rke2r1, v1.20.8+rke2r1, v1.21.2+rke2r1 and prior versions.

Published 2021-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

SUSE Rancher — versions K3s, RKE2
SUSE Rancher K3s — versions 1.19.12, 1.20.8, 1.21.2
SUSE Rancher Rke2 — versions 1.19.12, 1.20.8, 1.21.2

Weakness classification (CWE)

CWE-311 — Missing Encryption of Sensitive Data

References

bugzilla.suse.com/show_bug.cgi (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-32001?: CVE-2021-32001 is a medium-severity vulnerability in SUSE Rancher, classified under Missing Encryption of Sensitive Data. CVSS score: 6.5/10. Published 2021-07-28.
How severe is CVE-2021-32001?: Medium severity. CVSS v3 base score is 6.5 out of 10.