Detections
Analytics

Alpine: multiple k3s packages: security update to 1.21.1.1-r0

high Tenable Cloud Security Plugin ID 405065

Description

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

 - runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the
 vulnerability, an attacker must be able to create multiple containers with a fairly specific mount
 configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.
 (CVE-2021-30465)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-30465

Plugin Details

Severity: High

ID: 405065

Version: Revision 1.28

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: 5

Percentile: 95.11

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2021-30465

CVSS v3

Risk Factor: High

Base Score: 8.5

Temporal Score: 7.4

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/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: 5/14/2021

Reference Information

CVE: CVE-2021-30465