CVE-2018-0473
HIGHCisco IOS - Unauthenticated Denial of Service via Precision Time Protocol Packet Processing
Title source: llmDescription
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.
References (4)
Core 4
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1041737
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/105427
Various Sources x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03
Scores
CVSS v3
8.6
EPSS
0.0352
EPSS Percentile
87.9%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-399
Status
published
Products (2)
cisco/ios
15.2\(4\)e
cisco/ios
15.2\(5\)
Published
Oct 05, 2018
Tracked Since
Feb 18, 2026