CVE-2018-0378

A vulnerability in the Precision Time Protocol (PTP) feature of Cisco Nexus 5500, 5600, and 6000 Series Switches running Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of protection against PTP frame flood attacks. An attacker could exploit this vulnerability by sending large streams of malicious IPv4 or IPv6 PTP traffic to the affected device. A successful exploit could allow the attacker to cause a DoS condition, impacting the traffic passing through the device.

Score

CVSS 3.0 8.6 High

Status

Modified - psirt@cisco.com

Published

2018-10-17

Last modified

2024-11-26

Weaknesses

CWE-20

Affected products

• Cisco Nx-os Software For Nexus 6000 Series (Cisco)
• Nx-os (Cisco)

References

• http://www.securityfocus.com/bid/105669
• http://www.securitytracker.com/id/1041920
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nexus-ptp-dos