CVE-2020-11868

HIGH
7.5
CVSS Score
Published: April 17, 2020 at 03:31 AM UTC
Updated: June 17, 2026 at 02:50 AM UTC
24 products affected across 5 vendorsDebian LinuxEnterprise LinuxLeap

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
netapp-all-flash-fabric-attached-storage-8300 (same device)
All versions
netapp-all-flash-fabric-attached-storage-8700 (same device)
All versions
netapp-all-flash-fabric-attached-storage-a400 (same device)
All versions
All versions
netapp-fabric-attached-storage-8300 (same device)
All versions
netapp-fabric-attached-storage-8700 (same device)
All versions
netapp-fabric-attached-storage-a400 (same device)

References (8)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
x_refsource_MISCPatchVendor Advisory
http://support.ntp.org/bin/view/Main/NtpBug3592
x_refsource_MISCIssue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1716665
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00004.html
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202007-12
x_refsource_MISCPatchThird Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-346

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