{"cve":"CVE-2018-5407","nvd":{"published":"2018-11-15T21:29:00.233","modified":"2026-10-08T22:16:46.760","status":"Modified","description":"Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","score":4.7},"cwes":["CWE-203","CWE-200"],"references":["http://www.securityfocus.com/bid/105897","https://access.redhat.com/errata/RHSA-2019:0483","https://access.redhat.com/errata/RHSA-2019:0651","https://access.redhat.com/errata/RHSA-2019:0652","https://access.redhat.com/errata/RHSA-2019:2125"],"products":["canonical:ubuntu_linux","debian:debian_linux","nodejs:node.js","openssl:openssl","oracle:api_gateway","oracle:application_server","oracle:enterprise_manager_base_platform","oracle:enterprise_manager_ops_center","oracle:mysql_enterprise_backup","oracle:peoplesoft_enterprise_peopletools","oracle:primavera_p6_enterprise_project_portfolio_management","oracle:tuxedo","oracle:vm_virtualbox","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation","tenable:nessus"],"source":"nvd","synced_at":"2026-10-19T20:53:59.789560037+00:00"},"epss":{"cve":"CVE-2018-5407","score":0.03418,"percentile":0.88811,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}