What is the CVSS score of CVE-2016-4954?

CVE-2016-4954 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 5.5%.

Is there a patch available for CVE-2016-4954?

Yes, a patch is available for CVE-2016-4954. Update the affected software to the latest version immediately.

Ntp CVE-2016-4954

HIGH

Race Condition (CWE-362)

2016-07-05 cve@mitre.org

Race Condition Denial Of Service Ntp Solaris Manager Manager Proxy Openstack Cloud Leap Opensuse Linux Enterprise Desktop Linux Enterprise Server Simatic Net Cp 443 1 Opc Ua Firmware Tim 4R Ie Firmware Tim 4R Ie Dnp3 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jul 05, 2016 - 01:59 cve.org

HIGH 7.5

DescriptionCVE.org

The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication.

AnalysisAI

The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-362. The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication. Affected products include: Ntp, Oracle Solaris, Suse Manager, Suse Manager Proxy, Suse Openstack Cloud. Version information: before 4.2.8.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.