High severity8.6NVD Advisory· Published Oct 5, 2018· Updated Jun 17, 2026
CVE-2018-0473
CVE-2018-0473
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.
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Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: n/a
Patches
Vulnerability mechanics
References
4- www.securityfocus.com/bid/105427nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1041737nvdThird Party AdvisoryVDB Entry
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptpnvdVendor Advisory
- ics-cert.us-cert.gov/advisories/ICSA-19-094-03nvd
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