CVE-2020-3332 : Vulnerability Insights and Analysis
Learn about CVE-2020-3332, a high-severity vulnerability in Cisco Small Business RV series routers allowing remote attackers to execute arbitrary shell commands with root privileges.
A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Series Routers could allow an authenticated, remote attacker to inject arbitrary shell commands that are executed by an affected device.
Understanding CVE-2020-3332
This CVE involves a command shell injection vulnerability in Cisco Small Business RV series routers.
What is CVE-2020-3332?
The vulnerability allows a remote attacker to execute arbitrary shell commands with root privileges by sending a crafted request to the device's web-based management interface.
The Impact of CVE-2020-3332
- CVSS Base Score: 8.1 (High Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2020-3332
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The vulnerability stems from insufficient input validation of user-supplied data, allowing attackers to inject and execute commands on affected devices.
Affected Systems and Versions
- Affected Product: Cisco RV130W Wireless-N Multifunction VPN Router Firmware
- Vendor: Cisco
- Affected Version: n/a
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted requests to the web-based management interface of the affected devices.
Mitigation and Prevention
Protecting systems from CVE-2020-3332 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Restrict access to the web-based management interface.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all network devices.
- Implement strong authentication mechanisms.
- Conduct security audits and assessments periodically.
Patching and Updates
Ensure that the latest firmware or software updates from Cisco are installed to mitigate the vulnerability.