CVE:CVE-2020-13817
CNNVD:CNNVD-202006-428
Network Time Protocol（NTP,网络时间协议）是一种以数据包交换把两台电脑的时钟同步化的网络协议。
Network Time Protocol  存在安全特征问题漏洞。远程攻击者可通过预测传输时间戳并伪造数据包利用该漏洞导致拒绝服务（守护程序退出或系统时间更改）。
solution:Upgrade ntp ntp to a higher version than 4.2.8,4.3.100,4.2.8,4.2.8:p1,4.2.8:p1-beta1,4.2.8:p1-beta2,4.2.8:p1-beta3,4.2.8:p1-beta4,4.2.8:p1-beta5,4.2.8:p1-rc1,4.2.8:p1-rc2,4.2.8:p10,4.2.8:p11,4.2.8:p12,4.2.8:p13,4.2.8:p2,4.2.8:p2-rc1,4.2.8:p2-rc2,4.2.8:p2-rc3,4.2.8:p3,4.2.8:p3-rc1,4.2.8:p3-rc2,4.2.8:p3-rc3,4.2.8:p4,4.2.8:p5,4.2.8:p6,4.2.8:p7,4.2.8:p8,4.2.8:p9,and avoid the version (,4.2.8),[4.3.0,4.3.100),4.2.8,4.2.8:p1,4.2.8:p1-beta1,4.2.8:p1-beta2,4.2.8:p1-beta3,4.2.8:p1-beta4,4.2.8:p1-beta5,4.2.8:p1-rc1,4.2.8:p1-rc2,4.2.8:p10,4.2.8:p11,4.2.8:p12,4.2.8:p13,4.2.8:p2,4.2.8:p2-rc1,4.2.8:p2-rc2,4.2.8:p2-rc3,4.2.8:p3,4.2.8:p3-rc1,4.2.8:p3-rc2,4.2.8:p3-rc3,4.2.8:p4,4.2.8:p5,4.2.8:p6,4.2.8:p7,4.2.8:p8,4.2.8:p9; Upgrade netapp cloud_backup to a higher version than -; Upgrade netapp clustered_data_ontap to a higher version than -; Upgrade netapp data_ontap to a higher version than -; Upgrade netapp element_software to a higher version than -; Upgrade netapp hci_management_node to a higher version than -; Upgrade netapp ontap_tools to a higher version than -; Upgrade netapp solidfire to a higher version than -; Upgrade netapp steelstore_cloud_integrated_storage to a higher version than -; Upgrade netapp hci_compute_node_firmware to a higher version than -; Upgrade netapp h410c_firmware to a higher version than -; Upgrade netapp h300s_firmware to a higher version than -; Upgrade netapp h500s_firmware to a higher version than -; Upgrade netapp h700s_firmware to a higher version than -; Upgrade netapp h300e_firmware to a higher version than -; Upgrade netapp h500e_firmware to a higher version than -; Upgrade netapp h700e_firmware to a higher version than -; Upgrade netapp h410s_firmware to a higher version than -; Upgrade opensuse leap to a higher version than 15.1,15.2,and avoid the version 15.1,15.2; Upgrade fujitsu m10-1_firmware to a higher version than xcp2410,and avoid the version (,xcp2410); Upgrade fujitsu m10-4_firmware to a higher version than xcp2410,xcp3110,and avoid the version (,xcp2410),(,xcp3110); Upgrade fujitsu m10-4s_firmware to a higher version than xcp2410,xcp3110,and avoid the version (,xcp2410),(,xcp3110); Upgrade fujitsu m12-1_firmware to a higher version than xcp2410,xcp3110,and avoid the version (,xcp2410),(,xcp3110); Upgrade fujitsu m12-2_firmware to a higher version than xcp2410,xcp3110,and avoid the version (,xcp2410),(,xcp3110); Upgrade fujitsu m12-2s_firmware to a higher version than xcp2410,xcp3110,and avoid the version (,xcp2410),(,xcp3110)