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Alpine: multiple k3s packages: security update to 1.20.6.1-r0

medium Tenable Self-Hosted Container Security Plugin ID 405064

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating
 Admission Webhook. Clusters are only affected by this vulnerability if they run a Validating Admission
 Webhook for Nodes that denies admission based at least partially on the old state of the Node object.
 Validating Admission Webhook does not observe some previous fields. (CVE-2021-25735)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-25735

Plugin Details

Severity: Medium

ID: 405064

Version: Revision 1.27

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.04

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P

CVSS Score Source: CVE-2021-25735

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/14/2021

Reference Information

CVE: CVE-2021-25735