SB2020080510 - Multiple vulnerabilities in Zyxel NAS products

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Main Vulnerability Database SB2020080510

SB2020080510 - Multiple vulnerabilities in Zyxel NAS products

Published: August 5, 2020

Security Bulletin ID SB2020080510
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper access control (CVE-ID: CVE-2020-13364)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in a CGI script for the web application. A remote authenticated attacker can start a Telnet or SSH service and generate a password for the "NsaRescueAngel" user account with root privileges.


2) Improper access control (CVE-ID: CVE-2020-13365)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in a CGI script for the web application. A remote authenticated attacker can start a Telnet or SSH service and generate a password for the "NsaRescueAngel" user account with root privileges.


Remediation

Install update from vendor's website.

References