Jun 3, 2021

Incorrect Authorization at Dell Wyse Windows Embedded System

The vulnerability allows attackers to bypass intended access restrictions at the affected software.


[ CVE Description ]
 [*] CVE_ID : CVE-2021-21552
 [_] Desc   : Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier contain an improper authorization vulnerability. A local authenticated malicious user with low privileges may potentially exploit this vulnerability to bypass the restricted environment and perform unauthorized actions on the affected system.

[ Kenna.VM Summary ]
 [*] Vuln Risk              : 20.3938
 [*] Easily_Exploit         : False
 [*] Malware_Exploit        : False
 [*] Popular_Target         : False
 [*] Active_Internet_Breach : False

[ Kenna.VI+ ]
 [*] Successful_Exploitations  : 0
 [*] Velocity (D/W/M)          : 0/0/0
 [*] Daily_Trend               : holding
 [*] Pre_NVD                   : True [_FALSE_]
 [*] RCE                       : True [_FALSE_]
 [*] Predicted_Exploitable     : 0 (0.0151% confidence)

[ Kenna.VI+ Details ]
 [_] Created_at    : 2021-01-04T18:00:05Z
 [_] Published     : 2021-05-21T20:15:00Z
 [_] Last_Modified : 2021-06-02T12:30:00Z

[ Links / References ]
 [*] Malware sample : 0
 [_] Exploits/POC [0]:
     [ --> ] None
 [_] Fixes [0]:
     [ --> ] None
 [_] Threat Actors [0]:
     [ --> ] None

[ CVSS2 / CVSS3  Details ]

                | Impact   |   |                | CVSS_Access
================+==========+===+================+==============
   Availability | Complete |   |     Complexity | Low
Confidentiality | Complete |   |         Vector | Local access
      Integrity | Complete |   | Authentication | None required

              | CVSS_V2 | CVSS_V3
==============+=========+========
   Base Score |   7.200 |   8.800
Exploit_Score |   3.900 |   2.000
 Impact_Score |  10.000 |   6.000
     Temporal |   7.200 |    None

 [*] CVSS v2 vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
 [*] CVSS v3 vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H


[ Others ]
 [*] Vulnerable Products [1] :
     [ --> ] cpe:2.3:o:microsoft:windows_10:*:*:*:*:enterprise_ltsc:*:*:*


[ CVE Malware Family Info : None ]

[ High_Profile_Vulnerability ]
 [!!!]   CVE-2021-21552 (20.3938) : []


 ** [5] threads completed [2 tasks] / [1.86 KB] within [2.06 sec].