{"cve":"CVE-2013-4551","nvd":{"published":"2013-11-18T02:55:08.047","modified":"2026-06-16T23:57:26.253","status":"Modified","description":"Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to \"guest VMX instruction execution.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://lists.opensuse.org/opensuse-updates/2013-12/msg00059.html","http://secunia.com/advisories/55398","http://security.gentoo.org/glsa/glsa-201407-03.xml","http://www.openwall.com/lists/oss-security/2013/11/11/1","http://www.securityfocus.com/bid/63625"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-4551","score":0.00803,"percentile":0.56703,"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."]}