6.1
MEDIUM
CVE-2020-35821
NETGEAR Stored Cross-Site Scripting
Description

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.56, R7800 before 1.0.2.74, R8900 before 1.0.4.28, R9000 before 1.0.4.28, RAX120 before 1.0.0.78, RBK20 before 2.3.5.26, RBR20 before 2.3.5.26, RBS20 before 2.3.5.26, RBK40 before 2.3.5.30, RBR40 before 2.3.5.30, RBS40 before 2.3.5.30, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, and XR700 before 1.0.1.10.

INFO

Published Date :

Dec. 30, 2020, 12:15 a.m.

Last Modified :

Nov. 21, 2024, 5:28 a.m.

Remotely Exploitable :

No

Impact Score :

5.2

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2020-35821 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 r7800_firmware
2 Netgear r8900_firmware
3 Netgear r9000_firmware
4 Netgear d7800_firmware
5 Netgear rax120_firmware
6 Netgear rbk20_firmware
7 Netgear rbr20_firmware
8 Netgear rbs20_firmware
9 Netgear rbk40_firmware
10 Netgear rbr40_firmware
11 Netgear rbs40_firmware
12 Netgear rbk50_firmware
13 Netgear rbr50_firmware
14 Netgear rbs50_firmware
15 Netgear xr700_firmware
16 Netgear d7800
17 Netgear r9000
18 Netgear r8900
19 Netgear r7800
20 Netgear rax120
21 Netgear xr700
22 Netgear rbr20
23 Netgear rbs20
24 Netgear rbk20
25 Netgear rbr40
26 Netgear rbs40
27 Netgear rbk40
28 Netgear rbr50
29 Netgear rbs50
30 Netgear rbk50
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-2020-35821.

URL Resource
https://kb.netgear.com/000062659/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-WiFi-Systems-PSV-2018-0497 Vendor Advisory
https://kb.netgear.com/000062659/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-WiFi-Systems-PSV-2018-0497 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-2020-35821 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-35821 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/000062659/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-WiFi-Systems-PSV-2018-0497
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Dec. 31, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://kb.netgear.com/000062659/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-WiFi-Systems-PSV-2018-0497 No Types Assigned https://kb.netgear.com/000062659/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-WiFi-Systems-PSV-2018-0497 Vendor Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.56 OR cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.74 OR cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.28 OR cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.28 OR cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.78 OR cpe:2.3:h:netgear:rax120:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.26 OR cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.26 OR cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.26 OR cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.30 OR cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.30 OR cpe:2.3:h:netgear:rbr40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.30 OR cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.30 OR cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.30 OR cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.5.30 OR cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.10 OR cpe:2.3:h:netgear:xr700:-:*:*:*:*:*:*:*
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-2020-35821 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-35821 weaknesses.

Exploit Prediction

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

0.05 }} 0.00%

score

0.20649

percentile

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