High severity · published Apr 17, 2020
CVE-2020-11868
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…
7.5
CVSS
2.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
All Flash Fabric-attached Storage 8300 Firmware · Netapp
All versions, or not specified · source: NVD
AF
All Flash Fabric-attached Storage 8700 Firmware · Netapp
All versions, or not specified · source: NVD
AF
All Flash Fabric-attached Storage A400 Firmware · Netapp
All versions, or not specified · source: NVD
CD
Clustered Data Ontap · Netapp
All versions, or not specified · source: NVD
DO
Data Ontap · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
8.0 · source: NVD
EL
Enterprise Linux · Redhat
7.0 · source: NVD
FS
Fabric-attached Storage 8300 Firmware · Netapp
All versions, or not specified · source: NVD
FS
Fabric-attached Storage 8700 Firmware · Netapp
All versions, or not specified · source: NVD
FS
Fabric-attached Storage A400 Firmware · Netapp
All versions, or not specified · source: NVD
HM
Hci Management Node · Netapp
All versions, or not specified · source: NVD
HS
Hci Storage Node Firmware · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11868
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11868
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
Patch
http://support.ntp.org/bin/view/Main/NtpBug3592
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1716665
Mailing List
https://lists.debian.org/debian-lts-announce/2020/05/msg00004.html
Third Party Advisory
https://security.gentoo.org/glsa/202007-12
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