THREATPORT/VULNERABILITY/CVE-2016-6301
HIGH SEVERITY

CVE-2016-6301

Busybox vulnerability

CVSS
7.5
EPSS
8.9%
EPSS pct
95th
Exploited
No known
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.
Affected vendor
Busybox
Affected product
Busybox
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-399
  • CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)
Published
2016-12-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 8.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2016-6301

  • Confirm whether Busybox Busybox is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-6301.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-6301

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-6301 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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