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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.","Type":"Description","Title":null},{"CveYear":"2016","CveId":"4955","Ordinal":"2","NoteData":"2016-07-04","Type":"Other","Title":"Published"},{"CveYear":"2016","CveId":"4955","Ordinal":"3","NoteData":"2021-07-16","Type":"Other","Title":"Modified"}]}}}