CVE-2016-9111

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Summary

CVECVE-2016-9111
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-11-07 11:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionIncorrect 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."

Risk And Classification

Primary CVSS: v3.0 6.8 MEDIUM from [email protected]

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.026000000 probability, percentile 0.857220000 (date 2026-05-10)

Problem Types: CWE-254 | CWE-284 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.8MEDIUMCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:L/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Citrix Receiver Desktop 4.5 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Citrix Receiver/Receiver Desktop Lock 4.5 - Authentication Bypass af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit, Third Party Advisory, VDB Entry
Citrix Receiver / Receiver Desktop Lock 4.5 Authentication Bypass ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
CVE-2016-9111 | Citrix Receiver Desktop Lock Screen Lock access control (BID-94229 / EDB-40686) af854a3a-2127-422b-91ae-364da2661108 vuldb.com Third Party Advisory, VDB Entry
Citrix Receiver Desktop Lock Access Control Flaw Lets Physically Local Users Bypass the Screen Lock Security Restrictions - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Citrix Receiver Desktop CVE-2016-9111 Local Authentication Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
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