CVE-2021-45533 : Certain NETGEAR devices are affected by command injection by an authenticated us

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects EX6120 before 1.0.0.66, EX6130 before 1.0.0.46, EX7000 before 1.0.1.106, EX7500 before 1.0.1.76, EX3700 before 1.0.0.94, EX3800 before 1.0.0.94, RBR850 before 4.6.3.9, RBS850 before 4.6.3.9, and RBK852 before 4.6.3.9.

Published 2021-12-26 01:15:15

Updated 2022-01-05 15:41:58

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45533

Netgear » Ex7000 Firmware
Versions before (<) 1.0.1.106
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7000 » Version: N/A
Netgear » Ex3700 Firmware
Versions before (<) 1.0.0.94
cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex3700 » Version: N/A
Netgear » Ex3800 Firmware
Versions before (<) 1.0.0.94
cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex3800 » Version: N/A
Netgear » Ex6120 Firmware
Versions before (<) 1.0.0.66
cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6120 » Version: N/A
Netgear » Ex6130 Firmware
Versions before (<) 1.0.0.46
cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6130 » Version: N/A
Netgear » Ex7500 Firmware
Versions before (<) 1.0.1.76
cpe:2.3:o:netgear:ex7500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7500 » Version: N/A
Netgear » Rbr850 Firmware
Versions before (<) 4.6.3.9
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr850 » Version: N/A
Netgear » Rbk852 Firmware
Versions before (<) 4.6.3.9
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk852 » Version: N/A
Netgear » Rbs850 Firmware
Versions before (<) 4.6.3.9
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs850 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-45533

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-45533

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.2	MEDIUM	AV:A/AC:L/Au:S/C:P/I:P/A:P	5.1	6.4	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.4	HIGH	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	1.7	6.0	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High
6.8	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.9	5.9	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-45533

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-45533

https://kb.netgear.com/000064458/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0062

Security Advisory for Post-Authentication Command Injection on Some Extenders and WiFi Systems, PSV-2020-0062 | Answer | NETGEAR Support
Vendor Advisory

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Vulnerability Details : CVE-2021-45533

Products affected by CVE-2021-45533

Exploit prediction scoring system (EPSS) score for CVE-2021-45533

CVSS scores for CVE-2021-45533

CWE ids for CVE-2021-45533

References for CVE-2021-45533