CVE-2018-0473
Cisco IOS Software Precision Time Protocol Denial of Service Vulnerability
Published 8 y ago · modified 4 mo ago · JSON
Summary
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.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction (EPSS)
3.52% probability of exploitation in the next 30 days, higher than 89% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 8.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Cisco Cisco IOS Software
Classification
- Weakness
- CWE-399 Resource Management Errors
- Technology feeds
- Cisco IOS (RSS, critical only)
References
- tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ptp · vendor-advisory, x_refsource_CISCO, x_transferred
- securitytracker.com /id/1041737 · vdb-entry, x_refsource_SECTRACK, x_transferred
- securityfocus.com /bid/105427 · vdb-entry, x_refsource_BID, x_transferred
- ics-cert.us-cert.gov /advisories/ICSA-19-094-03 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2018-0473
- NVD: CVE-2018-0473
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