8.8
HIGH
CVE-2021-45595
NETGEAR Command Injection Vulnerability
Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

INFO

Published Date :

Dec. 26, 2021, 1:15 a.m.

Last Modified :

Nov. 21, 2024, 6:32 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-45595 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netgear rbk12_firmware
2 Netgear rbr10_firmware
3 Netgear rbs10_firmware
4 Netgear rbk20_firmware
5 Netgear rbr20_firmware
6 Netgear rbs20_firmware
7 Netgear rbk40_firmware
8 Netgear rbr40_firmware
9 Netgear rbs40_firmware
10 Netgear rbk50_firmware
11 Netgear rbr50_firmware
12 Netgear rbs50_firmware
13 Netgear rbs50y_firmware
14 Netgear lbr20_firmware
15 Netgear rbr20
16 Netgear rbs20
17 Netgear rbk20
18 Netgear rbr40
19 Netgear rbs40
20 Netgear rbk40
21 Netgear rbr50
22 Netgear rbs50
23 Netgear rbk50
24 Netgear rbs50y
25 Netgear rbk12
26 Netgear rbr10
27 Netgear rbs10
28 Netgear lbr20
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-45595.

URL Resource
https://kb.netgear.com/000064495/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0462 Vendor Advisory
https://kb.netgear.com/000064495/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0462 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-45595 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-45595 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://kb.netgear.com/000064495/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0462
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 05, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000064495/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0462 No Types Assigned https://kb.netgear.com/000064495/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0462 Vendor Advisory
    Added CWE NIST CWE-77
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:lbr20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.3.50 OR cpe:2.3:h:netgear:lbr20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr10_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbr10:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbr40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs10_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbs10:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk12_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbk12:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.3.22 OR cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-45595 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.18 }} 0.05%

score

0.55309

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability