CVE-2021-42373

MEDIUM
5.5
CVSS Score
Published: November 15, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 04:09 AM UTC
19 products affected across 3 vendorsFedoraCloud BackupH700S Firmware

Using busybox by busybox?

Get instant alerts when new vulnerabilities affect busybox - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

Description

A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.34.01.33.01.33.1
Affected range stops below 1.34.0, so it looks safe — our inference, not a vendor statement
All versions
All versions
netapp-h300e (same device)
All versions
netapp-h300s (same device)
All versions
netapp-h410s (same device)
All versions
netapp-h500e (same device)
All versions
netapp-h500s (same device)
All versions
netapp-h700e (same device)
All versions
netapp-h700s (same device)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card