THREATPORT/VULNERABILITY/CVE-2015-7978
HIGH SEVERITY

CVE-2015-7978

Ntp vulnerability

CVSS
7.5
EPSS
10.0%
EPSS pct
95th
Exploited
No known
NTP before 4.2.8p6 and 4.3.0 before 4.3.90 allows a remote attackers to cause a denial of service (stack exhaustion) via an ntpdc relist command, which triggers recursive traversal of the restriction list.
Affected vendor
Ntp
Affected product
Ntp
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-400 — Uncontrolled Resource Consumption
Published
2017-01-30

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 10.0% 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-2015-7978

  • Confirm whether Ntp Ntp is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-7978.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-7978

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