AUGUST 4, 2026
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Case File

CVE-2021-42376

MEDIUM · CVSS 5.5 EPSS 0.40%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-15 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It may lead to a denial-of-service condition.

CVE
CVE-2021-42376
Severity
MEDIUM
CVSS
5.5
EPSS
0.40%

Original NVD Description

A NULL pointer dereference in Busybox's hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input.

Related CVEs

Other vulnerabilities affecting the same vendor(s)