CVE-2021-42375CWE-159

An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell…

Medium · published November 15, 2021

CVSS v3.1
5.5
EPSS
0%
Percentile
34.1
In the wild
Unconfirmed
What it is

An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell mistaking specific characters for reserved characters. This may be used for DoS under rare conditions of filtered command input.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00409 · 34.1th percentile
Weakness
CWE-159 · Improper Handling of Invalid Use of Special Elements
Published
2021-11-15T00:00Z
EPSS history
Timeline
  • 15 NOV 00:00Z
    An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell…
    cvelistv5