CVE-2021-42990

FlexiHub For Windows is affected by Buffer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 allows local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

CVSS v3 8.8 HIGH
CVSS v2.0 7.2 HIGH

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/	Exploit Technical Description Third Party Advisory
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/	Exploit Technical Description Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:flexihub:flexihub:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:28

Type	Values Removed	Values Added
References	~~() https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ - Exploit, Technical Description, Third Party Advisory~~	() https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ - Exploit, Technical Description, Third Party Advisory

08 Dec 2021, 22:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 8.8
CPE		cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:a:flexihub:flexihub::::::::
CWE		CWE-120
References	~~(MISC) https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ -~~	(MISC) https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ - Exploit, Technical Description, Third Party Advisory

07 Dec 2021, 20:31

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-07 20:15

Updated : 2024-11-21 06:28

NVD link : CVE-2021-42990

Mitre link : CVE-2021-42990

CVE.ORG link : CVE-2021-42990

JSON object : View

Products Affected

flexihub

flexihub

microsoft

windows

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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8.8 /10