THREATPORT/VULNERABILITY/CVE-2015-7854
HIGH SEVERITY

CVE-2015-7854

Ntp vulnerability

CVSS
8.8
EPSS
14.6%
EPSS pct
96th
Exploited
No known
Buffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted key file.
Affected vendor
Ntp
Affected product
Ntp
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-120 — Classic Buffer Overflow
Published
2017-08-07

Risk analysis

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

Its EPSS score of 14.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2015-7854

  • Confirm whether Ntp Ntp is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-7854.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-7854

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