|Date: (C)2017-01-31 (M)2017-10-12|
|CVSS Score: 5.0||Access Vector: NETWORK|
|Exploitability Subscore: 10.0||Access Complexity: LOW|
|Impact Subscore: 2.9||Authentication: NONE|
| ||Confidentiality: NONE|
| ||Integrity: PARTIAL|
| ||Availability: NONE|
NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to bypass the origin timestamp validation via a packet with an origin timestamp set to zero.