Vulnerability in Cisco iOS Software
CVE-2018-0473
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Cisco iOS Software
- Cisco iOS — versions 15.2\(4\)e, 15.2\(5\), 15.2(5)
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926… (vendor-advisory, Vendor Advisory)
- www.securitytracker.com/id/1041737 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/105427 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-19-094-03
Frequently asked questions
- What is CVE-2018-0473?
- CVE-2018-0473 is a high-severity vulnerability in Cisco iOS Software, classified under CWE-399. CVSS score: 8.6/10. Published 2018-10-05.
- How severe is CVE-2018-0473?
- High severity. CVSS v3 base score is 8.6 out of 10.