Access Restriction Bypass Affecting busybox package, versions <1:1.20.0-8


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.62% (45th percentile)

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  • Snyk IDSNYK-ECHOLATEST-BUSYBOX-18021401
  • published20 Jul 2026
  • disclosed23 Nov 2013

Introduced: 23 Nov 2013

CVE-2013-1813  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Echo:latest busybox to version 1:1.20.0-8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream busybox package and not the busybox package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

util-linux/mdev.c in BusyBox before 1.21.0 uses 0777 permissions for parent directories when creating nested directories under /dev/, which allows local users to have unknown impact and attack vectors.

CVSS Base Scores

version 3.1