CVE-2020-3384 : Exploit Details and Defense Strategies
Learn about CVE-2020-3384, a high-severity vulnerability in Cisco Data Center Network Manager (DCNM) allowing remote attackers to execute arbitrary commands on the OS. Find mitigation steps here.
A vulnerability in specific REST API endpoints of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to inject arbitrary commands on the underlying operating system with the privileges of the logged-in user.
Understanding CVE-2020-3384
This CVE involves a command injection vulnerability in Cisco Data Center Network Manager (DCNM) that could be exploited by an authenticated remote attacker.
What is CVE-2020-3384?
The vulnerability in specific REST API endpoints of Cisco DCNM allows attackers to inject arbitrary commands on the underlying OS by exploiting insufficient input validation.
The Impact of CVE-2020-3384
- CVSS Base Score: 8.2 (High Severity)
- Attack Vector: Network
- Confidentiality Impact: High
- Integrity Impact: Low
- Privileges Required: Low
- User Interaction: Required
- Scope: Changed
- Attack Complexity: Low
- Availability Impact: Low
Technical Details of CVE-2020-3384
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows attackers to execute arbitrary commands on the OS due to insufficient validation of user input in the API.
Affected Systems and Versions
- Affected Product: Cisco Data Center Network Manager
- Vendor: Cisco
- Affected Version: Not applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a crafted request to the API, enabling them to inject arbitrary commands on the underlying OS.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Monitor network traffic for any signs of exploitation.
- Restrict access to the affected API endpoints.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Conduct security training for users to recognize and report suspicious activities.
- Implement network segmentation to limit the impact of potential attacks.
- Employ strong authentication mechanisms.
Patching and Updates
Ensure that the latest patches and updates provided by Cisco are applied to mitigate the vulnerability.