CVE-2021-32001
CVE-2021-32001 is a medium-severity vulnerability in Suse Rancher K3s with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-311.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-311
- Affected product: Suse Rancher K3s
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-32001?
- CVE-2021-32001 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-32001 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-32001?
- CVE-2021-32001 primarily affects Suse Rancher K3s. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-32001?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-32001 published?
- CVE-2021-32001 was published on 2021-07-28 and last updated on 2026-06-17.
References
Affected products (6)
- cpe:2.3:a:suse:rancher_k3s:1.19.12:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_k3s:1.20.8:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_k3s:1.21.2:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_rke2:1.19.12:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_rke2:1.20.8:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_rke2:1.21.2:*:*:*:*:*:*:*
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