CVE-2019-1862 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-1862, a high severity vulnerability in Cisco IOS XE Software's Web UI. Learn about affected systems, exploitation risks, and mitigation steps.
Cisco IOS XE Software Web UI Command Injection Vulnerability was publicly disclosed on May 13, 2019, by Red Balloon Security. The flaw allows remote attackers to execute commands with root privileges through the Web UI.
Understanding CVE-2019-1862
This CVE involves a security vulnerability in Cisco IOS XE Software's web interface that enables attackers to run commands on the device's Linux shell with root access.
What is CVE-2019-1862?
The vulnerability stems from inadequate input sanitization in the Web UI, allowing attackers with authentication to exploit the flaw and execute commands on the targeted device.
The Impact of CVE-2019-1862
- CVSS Base Score: 7.2 (High Severity)
- Attack Vector: Network
- Confidentiality, Integrity, and Availability Impact: High
- Privileges Required: High
- Scope: Unchanged
- This vulnerability could lead to a complete compromise of the system if successfully exploited.
Technical Details of CVE-2019-1862
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The flaw in the Web UI of Cisco IOS XE Software allows remote attackers to execute commands on the device's Linux shell with root privileges due to inadequate input sanitization.
Affected Systems and Versions
- Affected Product: Cisco IOS XE Software
- Affected Version: 3.2.0JA
Exploitation Mechanism
Attackers with valid administrator access can manipulate input parameters in the Web UI form to execute arbitrary commands on the device with root privileges.
Mitigation and Prevention
Protecting systems from CVE-2019-1862 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-provided patches and updates promptly.
- Restrict access to the Web UI to authorized personnel only.
- Monitor and analyze network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch all software and firmware on network devices.
- Conduct security training for employees to recognize and report potential security threats.
Patching and Updates
- Cisco has released patches to address this vulnerability. Ensure all affected systems are updated with the latest security fixes.