It was discovered that ntpq and ntpdc disclosed the origin timestamp to unauthenticated clients, which could permit such clients to forge the server's replies (CVE-2015-8139)
The process_packet function in ntp_protoc in ntpd in NTP 4x before 428p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoo ...
Multiple Cisco products incorporate a version of the Network Time Protocol daemon (ntpd) package Versions of this package are affected by one or more vulnerabilities that could allow an unauthenticated, remote attacker to create a denial of service (DoS) condition or modify the time being advertised by a device acting as a Network Time Protocol (N ...