CVE-2019-16011 Explained : Impact and Mitigation
Learn about CVE-2019-16011, a high-severity vulnerability in Cisco IOS XE SD-WAN Software allowing local attackers to execute commands with root privileges. Find mitigation steps here.
A vulnerability in Cisco IOS XE SD-WAN Software allows a local attacker to inject arbitrary commands with root privileges.
Understanding CVE-2019-16011
This CVE involves a flaw in the Command Line Interface (CLI) of Cisco IOS XE SD-WAN Software, enabling an attacker to execute commands with root privileges.
What is CVE-2019-16011?
The vulnerability allows a local attacker with authentication to inject arbitrary commands, exploiting inadequate input validation.
The Impact of CVE-2019-16011
- CVSS Base Score: 7.8 (High Severity)
- Attack Vector: Local
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2019-16011
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in the CLI of Cisco IOS XE SD-WAN Software permits an attacker to execute commands with root privileges due to insufficient input validation.
Affected Systems and Versions
- Affected Product: Cisco IOS XE SD-WAN Software
- Vendor: Cisco
- Vulnerable Versions: Less than 17.2.1r
Exploitation Mechanism
To exploit this vulnerability, the attacker needs authentication to the device and must provide manipulated input to the CLI utility.
Mitigation and Prevention
Protect your systems from CVE-2019-16011 with these mitigation strategies.
Immediate Steps to Take
- Apply vendor patches promptly
- Monitor network traffic for signs of exploitation
- Restrict access to vulnerable systems
Long-Term Security Practices
- Regularly update and patch software
- Conduct security training for staff
Patching and Updates
Ensure all systems are updated with the latest patches to address this vulnerability.