CVE-2020-3266 Explained : Impact and Mitigation
Learn about CVE-2020-3266, a high-severity vulnerability in Cisco SD-WAN Solution software allowing attackers to execute arbitrary commands with root privileges. Find mitigation steps here.
A vulnerability in the CLI of Cisco SD-WAN Solution software could allow an authenticated, local attacker to inject arbitrary commands with root privileges.
Understanding CVE-2020-3266
This CVE involves a command injection vulnerability in Cisco SD-WAN Solution software.
What is CVE-2020-3266?
The vulnerability allows an authenticated, local attacker to execute arbitrary commands with root privileges due to insufficient input validation.
The Impact of CVE-2020-3266
- CVSS Base Score: 7.8 (High Severity)
- Attack Vector: Local
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2020-3266
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The vulnerability in Cisco SD-WAN Solution software enables attackers to inject and execute commands with root privileges through the CLI.
Affected Systems and Versions
- Affected Product: Cisco SD-WAN Solution
- Vendor: Cisco
- Affected Version: n/a
Exploitation Mechanism
Attackers can exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI utility.
Mitigation and Prevention
To address CVE-2020-3266, follow these mitigation strategies:
Immediate Steps to Take
- Apply vendor patches and updates promptly.
- Monitor network traffic for any signs of exploitation.
- Restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Implement strong authentication mechanisms.
- Conduct security training for employees to recognize and report suspicious activities.
Patching and Updates
Ensure that the latest security patches provided by Cisco are applied to mitigate the vulnerability.