PT-2021-2395 · NetGear · Netgear Jgs516Pe/Gs116Ev2

Published 2021-03-08 · Updated 2021-03-17 · CVE-2020-35229

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: NETGEAR JGS516PE/GS116Ev2 version 2.6.0.43

Description: The issue is related to the authentication token required for NSDP write requests on the affected devices. This token is not properly invalidated and can be reused until a new token is generated, allowing attackers with access to network traffic to gain administrative privileges. The vulnerability is associated with errors in the authentication procedure.

Recommendations: For NETGEAR JGS516PE/GS116Ev2 version 2.6.0.43, as a temporary workaround, consider restricting access to the NSDP protocol until a patch is available. Additionally, ensure that network traffic is properly secured to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Session Fixation

Inadequate Encryption Strength

Weakness Enumeration

CWE-287

CWE-384

CWE-326

Related Identifiers

BDU:2021-01637

CVE-2020-35229

Affected Products

Netgear Jgs516Pe/Gs116Ev2

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2020-35229 · Security Note
• https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01637 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-35229 · Security Note
• https://osv.dev/vulnerability/CVE-2020-35229 · Vendor Advisory
• https://t.me/cybersecuritytechnologies/2861 · Telegram Post
• https://t.me/cvenotify/11124 · Telegram Post
• https://cxsecurity.com/cveshow/CVE-2020-35229 · Note
• https://t.me/cibsecurity/24739 · Telegram Post