SB2022050507 - Multiple vulnerabilities in Cisco Small Business RV Series Routers

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2022050507

SB2022050507 - Multiple vulnerabilities in Cisco Small Business RV Series Routers

Published: May 5, 2022 Updated: May 27, 2022

Security Bulletin ID SB2022050507
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Command Injection (CVE-ID: CVE-2022-20799)

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

The vulnerability exists due to improper input validation in the web-based management interface. A remote administrator can pass specially crafted data to the application and execute arbitrary commands on the target system.

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


2) Command Injection (CVE-ID: CVE-2022-20801)

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

The vulnerability exists due to improper input validation in the web-based management interface when parsing the usmUserPrivKey and usmUserAuthKey parameters in set-snmp JSON RPC requests. A remote administrator can pass specially crafted data to the application and execute arbitrary commands on the target system.

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


3) Stack-based buffer overflow (CVE-ID: CVE-2022-20753)

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

The vulnerability exists due to a boundary error in web-based management interface when handling set-snmp JSON RPC requests. A remote administrator can trigger stack-based buffer overflow and execute arbitrary code on the target system.

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


Remediation

Install update from vendor's website.

References