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MitreCVE-2021-42987

HistoryDec 07, 2021 - 8:15 p.m.

CVE-2021-42987

2021-12-0720:15:07

CWE-190

mitre

web.nvd.nist.gov

eltima

usb network gate

integer overflow

cve-2021-42987

security vulnerability

nvd

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

Percentile

9.6%

JSON

Eltima USB Network Gate is affected by Integer Overflow. IOCTL Handler 0x22001B in the USB Network Gate above 7.0.1370 below 9.2.2420 allow 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.

Affected configurations

Nvd

Node

eltimausb_network_gateRange7.0.1370–9.2.2420

VendorProductVersionCPE
eltimausb_network_gate*cpe:2.3:a:eltima:usb_network_gate:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
eltima	usb_network_gate	*	cpe:2.3:a:eltima:usb_network_gate::::::::

References

www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/

Social References

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

Percentile

9.6%

JSON

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