// For flags

CVE-2016-4956

 

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548.

ntpd en NTP 4.x en versiones anteriores a 4.2.8p8 permite a atacantes remotos provocar una denegación de servicio (transición de modo intercalado y cambio de hora) a través de un paquete de difusión manipulado. NOTA: esta vulnerabilidad existe debido a una solución incompleta para CVE-2016-1548.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-05-23 CVE Reserved
  • 2016-06-06 CVE Published
  • 2024-04-27 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
References (33)
URL Date SRC
URL Date SRC
URL Date SRC
http://bugs.ntp.org/3042 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html 2023-11-07
http://support.ntp.org/bin/view/Main/NtpBug3042 2023-11-07
http://support.ntp.org/bin/view/Main/SecurityNotice 2023-11-07
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd 2023-11-07
http://www.ubuntu.com/usn/USN-3096-1 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2 2023-11-07
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc 2023-11-07
https://security.gentoo.org/glsa/201607-15 2023-11-07
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Siemens
Search vendor "Siemens"
Simatic Net Cp 443-1 Opc Ua Firmware
Search vendor "Siemens" for product "Simatic Net Cp 443-1 Opc Ua Firmware"
*-
Affected
in Siemens
Search vendor "Siemens"
Simatic Net Cp 443-1 Opc Ua
Search vendor "Siemens" for product "Simatic Net Cp 443-1 Opc Ua"
--
Safe
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
>= 4.2.0 < 4.2.8
Search vendor "Ntp" for product "Ntp" and version " >= 4.2.0 < 4.2.8"
-
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
>= 4.3.0 < 4.3.93
Search vendor "Ntp" for product "Ntp" and version " >= 4.3.0 < 4.3.93"
-
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
-
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p1
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p1-beta1
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p1-beta2
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p1-beta3
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p1-beta4
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p1-beta5
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p1-rc1
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p1-rc2
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p2
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p2-rc1
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p2-rc2
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p2-rc3
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p3
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p3-rc1
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p3-rc2
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p3-rc3
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p4
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p5
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p6
Affected
Ntp
Search vendor "Ntp"
Ntp
Search vendor "Ntp" for product "Ntp"
4.2.8
Search vendor "Ntp" for product "Ntp" and version "4.2.8"
p7
Affected
Oracle
Search vendor "Oracle"
Solaris
Search vendor "Oracle" for product "Solaris"
10
Search vendor "Oracle" for product "Solaris" and version "10"
-
Affected
Oracle
Search vendor "Oracle"
Solaris
Search vendor "Oracle" for product "Solaris"
11.3
Search vendor "Oracle" for product "Solaris" and version "11.3"
-
Affected
Suse
Search vendor "Suse"
Manager Proxy
Search vendor "Suse" for product "Manager Proxy"
2.1
Search vendor "Suse" for product "Manager Proxy" and version "2.1"
-
Affected
Suse
Search vendor "Suse"
Openstack Cloud
Search vendor "Suse" for product "Openstack Cloud"
5
Search vendor "Suse" for product "Openstack Cloud" and version "5"
-
Affected
Novell
Search vendor "Novell"
Suse Manager
Search vendor "Novell" for product "Suse Manager"
2.1
Search vendor "Novell" for product "Suse Manager" and version "2.1"
-
Affected
Opensuse
Search vendor "Opensuse"
Leap
Search vendor "Opensuse" for product "Leap"
42.1
Search vendor "Opensuse" for product "Leap" and version "42.1"
-
Affected
Opensuse
Search vendor "Opensuse"
Opensuse
Search vendor "Opensuse" for product "Opensuse"
13.2
Search vendor "Opensuse" for product "Opensuse" and version "13.2"
-
Affected
Suse
Search vendor "Suse"
Linux Enterprise Desktop
Search vendor "Suse" for product "Linux Enterprise Desktop"
12
Search vendor "Suse" for product "Linux Enterprise Desktop" and version "12"
sp1
Affected
Suse
Search vendor "Suse"
Linux Enterprise Server
Search vendor "Suse" for product "Linux Enterprise Server"
11
Search vendor "Suse" for product "Linux Enterprise Server" and version "11"
sp2, ltss
Affected
Suse
Search vendor "Suse"
Linux Enterprise Server
Search vendor "Suse" for product "Linux Enterprise Server"
11
Search vendor "Suse" for product "Linux Enterprise Server" and version "11"
sp3, ltss
Affected
Suse
Search vendor "Suse"
Linux Enterprise Server
Search vendor "Suse" for product "Linux Enterprise Server"
11
Search vendor "Suse" for product "Linux Enterprise Server" and version "11"
sp4
Affected
Suse
Search vendor "Suse"
Linux Enterprise Server
Search vendor "Suse" for product "Linux Enterprise Server"
12
Search vendor "Suse" for product "Linux Enterprise Server" and version "12"
sp1
Affected