CVE-2018-0473

High

Description

A vulnerability in the Precision Time Protocol (PTP) subsystem of Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition of the Precision Time Protocol. The vulnerability is due to insufficient processing of PTP packets. An attacker could exploit this vulnerability by sending a custom PTP packet to, or through, an affected device. A successful exploit could allow the attacker to cause a DoS condition for the PTP subsystem, resulting in time synchronization issues across the network.

SeverityHigh

CVSS8.6

Exploit probability—

Product

Cisco Ios

PublishedOct 5, 2018

First seenOct 5, 2018

Weakness typeCWE-399CWE-399

How to fix

Vendor advisories

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp

Affected products

Product	Affected versions	Fixed in
cisco ios	15.2\(4\)e, 15.2\(5\)	—

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