{"cve":"CVE-2020-11868","nvd":{"published":"2020-04-17T04:15:10.987","modified":"2026-06-17T02:50:56.923","status":"Modified","description":"ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-346"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html","http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html","http://support.ntp.org/bin/view/Main/NtpBug3592","https://bugzilla.redhat.com/show_bug.cgi?id=1716665","https://lists.debian.org/debian-lts-announce/2020/05/msg00004.html"],"products":["debian:debian_linux","netapp:all_flash_fabric-attached_storage_8300_firmware","netapp:all_flash_fabric-attached_storage_8700_firmware","netapp:all_flash_fabric-attached_storage_a400_firmware","netapp:clustered_data_ontap","netapp:data_ontap","netapp:fabric-attached_storage_8300_firmware","netapp:fabric-attached_storage_8700_firmware","netapp:fabric-attached_storage_a400_firmware","netapp:hci_management_node","netapp:hci_storage_node_firmware","netapp:solidfire","netapp:vasa_provider_for_clustered_data_ontap","netapp:virtual_storage_console","ntp:ntp","opensuse:leap","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-11868","score":0.02116,"percentile":0.81838,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}