SB2020101101 - Multiple vulnerabilities in EdgeMax EdgeSwitch

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Main Vulnerability Database SB2020101101

SB2020101101 - Multiple vulnerabilities in EdgeMax EdgeSwitch

Published: October 11, 2020

Security Bulletin ID SB2020101101
CSH Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 33% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-8232)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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


The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to application does not properly impose security restrictions. A remote user with read only permissions can obtain unauthorized information through SNMP community pages.


2) OS Command Injection (CVE-ID: CVE-2020-8233)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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


The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated user can pass specially crafted data via the HTTP interface and execute arbitrary OS commands on the target system with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


3) Insufficient Session Expiration (CVE-ID: CVE-2020-8234)

CWE-ID: CWE-613 - Insufficient Session Expiration

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


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient session expiration issue. A remote non-authenticated attacker can guess legacy web interface SIDSSL cookie for administrative account and take over the device.


Remediation

Install update from vendor's website.

References