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[email protected]CVE-2021-43517

HistoryApr 08, 2022 - 5:15 p.m.

CVE-2021-43517

2022-04-0817:15:08

[email protected]

web.nvd.nist.gov

cve-2021-43517

foscam

camera

fi9805e

firmware

backdoor

telnet

port 9530

vulnerability

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

68.8%

JSON

FOSCAM Camera FI9805E with firmware V4.02.R12.00018510.10012.143900.00000 contains a backdoor that opens Telnet port when special command is sent on port 9530.

Affected configurations

NVD

Node

foscamfi9805e_firmwareMatch4.02.r12.00018510.10012.143900.00000

AND

foscamfi9805eMatch-

CPENameOperatorVersion
foscam:fi9805e_firmwarefoscam fi9805e firmwareeq4.02.r12.00018510.10012.143900.00000

CPE	Name	Operator	Version
foscam:fi9805e_firmware	foscam fi9805e firmware	eq	4.02.r12.00018510.10012.143900.00000

References

habr.com/ru/post/486856/

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

68.8%

JSON

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