CVE-2021-42375

EUVD-2021-29346
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
busyboxbusybox
1.33.1
netappcloud_backup
-
netapphci_management_node
-
netappsolidfire
-
netapph300s_firmware
-
netapph500s_firmware
-
netapph700s_firmware
-
netapph300e_firmware
-
netapph500e_firmware
-
netapph700e_firmware
-
netapph410s_firmware
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
busybox
bookworm
1:1.35.0-4
fixed
bullseye
unimportant
sid
1:1.37.0-4
fixed
trixie
1:1.37.0-4
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
busybox
bionic
not-affected
focal
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
trusty
not-affected
xenial
not-affected