6.5
MEDIUM
CVE-2021-32001
SUSE Rancher K3s Exfiltration of Confidential Keying Material
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.

INFO

Published Date :

July 28, 2021, 10:15 a.m.

Last Modified :

Nov. 14, 2022, 7:30 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-32001 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Suse rancher_rke2
2 Suse rancher
3 Suse rancher_k3s
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-32001.

URL Resource
https://bugzilla.suse.com/show_bug.cgi?id=1188453 Issue Tracking Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-32001 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-32001 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 14, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-327
    Added CWE NIST NVD-CWE-Other
  • CVE Modified by [email protected]

    Nov. 09, 2022

    Action Type Old Value New Value
    Changed Description A Missing Encryption of Sensitive Data vulnerability in k3s, kde2 of 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. 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.
  • Reanalysis by [email protected]

    Aug. 05, 2022

    Action Type Old Value New Value
    Added CWE NIST CWE-327
  • Initial Analysis by [email protected]

    Aug. 13, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1188453 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1188453 Issue Tracking, Vendor Advisory
    Added CPE Configuration OR *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:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 30, 2021

    Action Type Old Value New Value
    Changed Description A Missing Encryption of Sensitive Data vulnerability in k3s, kde2 of 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. A Missing Encryption of Sensitive Data vulnerability in k3s, kde2 of 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.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-32001 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.23544

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability