{"cve":"CVE-2013-4154","nvd":{"published":"2013-09-30T21:55:09.223","modified":"2026-06-16T23:56:43.153","status":"Modified","description":"The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to \"agent based cpu (un)plug,\" as demonstrated by the \"virsh vcpucount foobar --guest\" command.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6","http://libvirt.org/news.html","http://openwall.com/lists/oss-security/2013/07/19/12","https://bugzilla.redhat.com/show_bug.cgi?id=984821","https://bugzilla.redhat.com/show_bug.cgi?id=986386"],"products":["redhat:libvirt"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-4154","score":0.02202,"percentile":0.82534,"date":"2026-10-31"},"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."]}