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MitreCVE-2021-45623

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

CVE-2021-45623

2021-12-2601:15:18

CWE-77

mitre

web.nvd.nist.gov

cve-2021-45623

netgear

command injection

vulnerability

nvd

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 R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.

Affected configurations

Nvd

Node

netgearr7800_firmwareRange<1.0.2.74

AND

netgearr7800Match-

Node

netgearr9000_firmwareRange<1.0.5.2

AND

netgearr9000Match-

Node

netgearxr500_firmwareRange<2.3.2.66

AND

netgearxr500Match-

VendorProductVersionCPE
netgearr7800_firmware*cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
netgearr7800-cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*
netgearr9000_firmware*cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
netgearr9000-cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*
netgearxr500_firmware*cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:*
netgearxr500-cpe:2.3:h:netgear:xr500:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netgear	r7800_firmware	*	cpe:2.3:o:netgear:r7800_firmware::::::::
netgear	r7800	-	cpe:2.3:h:netgear:r7800:-:::::::*
netgear	r9000_firmware	*	cpe:2.3:o:netgear:r9000_firmware::::::::
netgear	r9000	-	cpe:2.3:h:netgear:r9000:-:::::::*
netgear	xr500_firmware	*	cpe:2.3:o:netgear:xr500_firmware::::::::
netgear	xr500	-	cpe:2.3:h:netgear:xr500:-:::::::*

References

kb.netgear.com/000064449/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0203

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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