{"cve":"CVE-2016-9111","nvd":{"published":"2016-11-07T11:59:00.207","modified":"2026-06-17T00:55:32.087","status":"Modified","description":"Incorrect access control mechanisms in Citrix Receiver Desktop Lock 4.5 allow an attacker to bypass the authentication requirement by leveraging physical access to a VDI for temporary disconnection of a LAN cable. NOTE: as of 20161208, the vendor could not reproduce the issue, stating \"the researcher was unable to provide us with information that would allow us to confirm the behaviour and, despite extensive investigation on test deployments of supported products, we were unable to reproduce the behaviour as he described. The researcher has also, despite additional requests for information, ceased to respond to us.\"","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":6.8},"cwes":["CWE-254","CWE-284"],"references":["http://www.securityfocus.com/bid/94229","http://www.securitytracker.com/id/1037176","https://packetstormsecurity.com/files/139493/Citrix-Receiver-Receiver-Desktop-Lock-4.5-Authentication-Bypass.html","https://vuldb.com/?id.93250","https://www.exploit-db.com/exploits/40686/"],"products":["citrix:receiver_desktop"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-9111","score":0.01783,"percentile":0.78289,"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."]}