SB2023011144 - Multiple vulnerabilities in Cisco Small Business RV016, RV042, RV042G, and RV082 Routers
Published: January 11, 2023 Updated: March 3, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Improper Authentication (CVE-ID: CVE-2023-20025)
CWE-ID: CWE-287 - Improper Authentication
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:Red
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the web-based management interface. A remote non-authenticated attacker can send a specially crafted HTTP request, bypass authentication process and execute arbitrary code as root on the affected device.
2) OS Command Injection (CVE-ID: CVE-2023-20026)
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:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the web-based management interface. A remote authenticated user can a specially crafted HTTP request and execute arbitrary OS commands with root privileges.
3) OS Command Injection (CVE-ID: CVE-2023-20118)
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:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the web-based management interface. A remote authenticated user can a specially crafted HTTP request and execute arbitrary OS commands with root privileges.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.