CVE-2020-11868

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2020-11868
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-04-17T04:15:10
  • Last Modified Date
  • 2022-04-26T17:05:56
Weakness Enumerations
CWE URL
CWE-346 http://cwe.mitre.org/data/definitions/346.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* 1 OR 4.2.7
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* 1 OR 4.3.98 4.3.100
cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p11:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p12:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p13:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:* 1 OR
cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:netapp:data_ontap:-:*:*:*:*:7-mode:*:* 1 OR
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:* 1 OR 7.2
cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:vsphere:*:* 1 OR 7.2
cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vsphere:*:* 1 OR 7.2
cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:netapp:hci_storage_node_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:fabric-attached_storage_8300_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:fabric-attached_storage_8300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:fabric-attached_storage_8700_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:fabric-attached_storage_8700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:fabric-attached_storage_a400_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:fabric-attached_storage_a400:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:all_flash_fabric-attached_storage_8300_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:all_flash_fabric-attached_storage_8300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:all_flash_fabric-attached_storage_8700_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:all_flash_fabric-attached_storage_8700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:all_flash_fabric-attached_storage_a400_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:all_flash_fabric-attached_storage_a400:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://support.ntp.org/bin/view/Main/NtpBug3592 Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1716665 Issue Tracking Third Party Advisory
https://security.netapp.com/advisory/ntap-20200424-0002/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00004.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202007-12 Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-11868
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11868
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:21 Added to TrackCVE
2022-12-04 15:09:49 2020-04-17T04:15Z 2020-04-17T04:15:10 CVE Published Date updated
2022-12-04 15:09:49 2022-04-26T17:05:56 CVE Modified Date updated
2022-12-04 15:09:49 Analyzed Vulnerability Status updated