Vulnerability in Busybox

CVE-2021-42375

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 r…

EPSS: 0.001 (19.3th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-42375?
CVE-2021-42375 is a vulnerability in Busybox, classified under CWE-159. Published 2021-11-15.
Is CVE-2021-42375 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.