Vulnerability in Busybox

CVE-2016-6301

The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged NTP packet, which triggers a communication loop.

EPSS: 0.049 (89.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-6301?
CVE-2016-6301 is a high-severity vulnerability in Busybox, classified under CWE-399. CVSS score: 7.5/10. Published 2016-12-09.
How severe is CVE-2016-6301?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-6301 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.