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MitreCVE-2021-45627

HistoryDec 26, 2021 - 1:15 a.m.

CVE-2021-45627

2021-12-2601:15:19

CWE-77

mitre

web.nvd.nist.gov

netgear

command injection

cve-2021-45627

cbr750

rbk852

rbr850

rbs850

security vulnerability

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

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

AI Score

9.7

Confidence

High

EPSS

0.002

Percentile

55.9%

JSON

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Affected configurations

Nvd

Node

netgearcbr750_firmwareRange<4.6.3.6

AND

netgearcbr750Match-

Node

netgearrbk852_firmwareRange<3.2.17.12

AND

netgearrbk852Match-

Node

netgearrbr850_firmwareRange<3.2.17.12

AND

netgearrbr850Match-

Node

netgearrbs850_firmwareRange<3.2.17.12

AND

netgearrbs850Match-

VendorProductVersionCPE
netgearcbr750_firmware*cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:*
netgearcbr750-cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:*
netgearrbk852_firmware*cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*
netgearrbk852-cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*
netgearrbr850_firmware*cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*
netgearrbr850-cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*
netgearrbs850_firmware*cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*
netgearrbs850-cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netgear	cbr750_firmware	*	cpe:2.3:o:netgear:cbr750_firmware::::::::
netgear	cbr750	-	cpe:2.3:h:netgear:cbr750:-:::::::*
netgear	rbk852_firmware	*	cpe:2.3:o:netgear:rbk852_firmware::::::::
netgear	rbk852	-	cpe:2.3:h:netgear:rbk852:-:::::::*
netgear	rbr850_firmware	*	cpe:2.3:o:netgear:rbr850_firmware::::::::
netgear	rbr850	-	cpe:2.3:h:netgear:rbr850:-:::::::*
netgear	rbs850_firmware	*	cpe:2.3:o:netgear:rbs850_firmware::::::::
netgear	rbs850	-	cpe:2.3:h:netgear:rbs850:-:::::::*

References

kb.netgear.com/000064124/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0471

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

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

AI Score

9.7

Confidence

High

EPSS

0.002

Percentile

55.9%

JSON

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