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Case File

CVE-2016-4955

MEDIUM · CVSS 5.9 EPSS 8.77% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2016-07-05 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2016-4955
Severity
MEDIUM
CVSS
5.9
EPSS
8.77%

Original Filing — NVD Description

ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service (peer-variable clearing and association outage) by sending (1) a spoofed crypto-NAK packet or (2) a packet with an incorrect MAC value at a certain time.