CVEvulnerability

CVE-2020-11868

7.5 HIGH Published 2020-04-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-04-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0 ([email protected])
5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-346

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.

Affected configurations

• ntp ntp (<= 4.2.7) • ntp ntp (>= 4.3.98 < 4.3.100) • ntp ntp 4.2.8 • redhat enterprise linux 7.0 • netapp data ontap • netapp hci management node • netapp solidfire • netapp vasa provider for clustered data ontap (>= 7.2) • netapp virtual storage console (>= 7.2) • netapp clustered data ontap • netapp hci storage node firmware • netapp fabric-attached storage 8300 firmware • netapp fabric-attached storage 8700 firmware • netapp fabric-attached storage a400 firmware • netapp all flash fabric-attached storage 8300 firmware • netapp all flash fabric-attached storage 8700 firmware • netapp all flash fabric-attached storage a400 firmware • debian debian linux 8.0 • opensuse leap 15.1 • opensuse leap 15.2

Related

Weakness · CWE (1)

  • CWE-346 Origin Validation Error weakness

References