CVE-2021-42375
moderate-risk
Published 2021-11-15
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.
Do I need to act?
-
0.06% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10
Medium
LOCAL
/ LOW complexity
Affected Products (13)
Affected Vendors
References (10)
Third Party Advisory
https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-clar...
Third Party Advisory
https://security.netapp.com/advisory/ntap-20211223-0002/
Third Party Advisory
https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-clar...
Third Party Advisory
https://security.netapp.com/advisory/ntap-20211223-0002/
35
/ 100
moderate-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
17/34 · Moderate