{"cve":"CVE-2020-2732","nvd":{"published":"2020-04-08T22:15:12.263","modified":"2026-06-17T03:12:46.813","status":"Modified","description":"A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","score":6.8},"cwes":["CWE-200"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1805135","https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ec","https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75c","https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020d","https://linux.oracle.com/errata/ELSA-2020-5540.html"],"products":["redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2020-2732","score":0.00927,"percentile":0.60499,"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."]}