SB2019090511 - Multiple vulnerabilities in Cisco Small Business RV160, 260, and 340 Series VPN Routers



SB2019090511 - Multiple vulnerabilities in Cisco Small Business RV160, 260, and 340 Series VPN Routers

Published: September 5, 2019

Security Bulletin ID SB2019090511
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Hidden functionality (CVE-ID: N/A)

CWE-ID: CWE-912 - Hidden Functionality (Backdoor)

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


The vulnerability allows a remote attacker to compromise vulnerable system

The vulnerability exists due to hidden functionality (backdoor) is present in software. A remote authenticated attacker with access to the base operating system can use this functionality to view undocumented user accounts on an affected device. These accounts include debug-admin and root accounts.


2) Use of hard-coded credentials (CVE-ID: N/A)

CWE-ID: CWE-798 - Use of Hard-coded Credentials

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:Amber


The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote authenticated attacker with access to the base operating system can access the affected system and elevate privileges to these users: root, debug-admin, cisco, admin, and guest. 

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


Remediation

Install update from vendor's website.