{"cve":"CVE-2016-5008","nvd":{"published":"2016-07-13T15:59:05.873","modified":"2026-06-17T00:48:36.337","status":"Modified","description":"libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-284"],"references":["http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html","http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html","http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html","http://rhn.redhat.com/errata/RHSA-2016-2577.html","http://security.libvirt.org/2016/0001.html"],"products":["debian:debian_linux","redhat:libvirt"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-5008","score":0.03653,"percentile":0.89609,"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."]}