Vulnerability Details : CVE-2016-9111
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."
Vulnerability category: BypassGain privilege
Products affected by CVE-2016-9111
- cpe:2.3:a:citrix:receiver_desktop:4.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-9111
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9111
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
6.8
|
MEDIUM | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
NIST |
CWE ids for CVE-2016-9111
-
Assigned by: nvd@nist.gov (Primary)
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-9111
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http://www.securitytracker.com/id/1037176
Citrix Receiver Desktop Lock Access Control Flaw Lets Physically Local Users Bypass the Screen Lock Security Restrictions - SecurityTracker
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https://www.exploit-db.com/exploits/40686/
Citrix Receiver/Receiver Desktop Lock 4.5 - Authentication BypassExploit;Third Party Advisory;VDB Entry
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https://packetstormsecurity.com/files/139493/Citrix-Receiver-Receiver-Desktop-Lock-4.5-Authentication-Bypass.html
Citrix Receiver / Receiver Desktop Lock 4.5 Authentication Bypass ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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http://www.securityfocus.com/bid/94229
Citrix Receiver Desktop CVE-2016-9111 Local Authentication Bypass VulnerabilityThird Party Advisory;VDB Entry
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https://vuldb.com/?id.93250
Citrix Receiver Desktop Lock 4.5 Screen Lock weak authenticationThird Party Advisory;VDB Entry
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