6.5
MEDIUM
CVE-2020-35783
NETGEAR NSDP Protocol Unauthenticated Configuration Disclosure
Description

Certain NETGEAR devices are affected by lack of access control at the function level. This affects JGS516PE before 2.6.0.48, GS116Ev2 before 2.6.0.48, JGS524Ev2 before 2.6.0.48, and JGS524PE before 2.6.0.48. The NSDP protocol version allows unauthenticated remote attackers to obtain all the switch configuration parameters by sending the corresponding read requests.

INFO

Published Date :

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

Last Modified :

March 23, 2021, 5:16 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-35783 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 jgs516pe_firmware
2 Netgear jgs524e_firmware
3 Netgear jgs524pe_firmware
4 Netgear gs116e_firmware
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-2020-35783.

URL Resource
https://kb.netgear.com/000062637/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0383 Vendor Advisory
https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/ Not Applicable

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-2020-35783 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-35783 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 [email protected]

    May. 14, 2024

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

    Mar. 23, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:A/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Removed CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/ No Types Assigned https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/ Not Applicable
  • CVE Modified by [email protected]

    Mar. 16, 2021

    Action Type Old Value New Value
    Changed Description Certain NETGEAR devices are affected by lack of access control at the function level. This affects JGS516PE before 2.6.0.48, GS116Ev2 before 2.6.0.48, JGS524Ev2 before 2.6.0.48, and JGS524PE before 2.6.0.48. Certain NETGEAR devices are affected by lack of access control at the function level. This affects JGS516PE before 2.6.0.48, GS116Ev2 before 2.6.0.48, JGS524Ev2 before 2.6.0.48, and JGS524PE before 2.6.0.48. The NSDP protocol version allows unauthenticated remote attackers to obtain all the switch configuration parameters by sending the corresponding read requests.
    Added Reference https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/ [No Types Assigned]
  • Reanalysis by [email protected]

    Dec. 31, 2020

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Removed CWE NIST NVD-CWE-Other
    Added CWE NIST NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Dec. 31, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://kb.netgear.com/000062637/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0383 No Types Assigned https://kb.netgear.com/000062637/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0383 Vendor Advisory
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:jgs516pe_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.0.48 OR cpe:2.3:h:netgear:jgs516pe:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:jgs524e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.0.48 OR cpe:2.3:h:netgear:jgs524e:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:jgs524pe_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.0.48 OR cpe:2.3:h:netgear:jgs524pe:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs116e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.0.48 OR cpe:2.3:h:netgear:gs116e:v2:*:*:*:*:*:*:*
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-2020-35783 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-2020-35783 weaknesses.

Exploit Prediction

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

0.12 }} -0.00%

score

0.45984

percentile

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