CVE-2020-3354 : Exploit Details and Defense Strategies
Learn about CVE-2020-3354, a vulnerability in Cisco Data Center Network Manager allowing cross-site scripting attacks. Find mitigation steps and impact details.
A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker with administrative credentials to conduct a cross-site scripting (XSS) attack against a user of the interface.
Understanding CVE-2020-3354
This CVE involves a stored cross-site scripting vulnerability in Cisco Data Center Network Manager (DCNM).
What is CVE-2020-3354?
The vulnerability in the web-based management interface of Cisco DCNM allows an attacker with administrative credentials to execute a cross-site scripting attack by inserting malicious data into a specific field.
The Impact of CVE-2020-3354
The vulnerability could enable an attacker to execute arbitrary script code in the context of the affected interface or access sensitive browser-based information.
Technical Details of CVE-2020-3354
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability is a result of insufficient input validation by the web-based management interface of Cisco DCNM, allowing for the insertion of malicious data.
Affected Systems and Versions
- Product: Cisco Data Center Network Manager
- Vendor: Cisco
- Affected Version: Not applicable
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- User Interaction: Required
- Scope: Changed
- CVSS Score: 4.8 (Medium Severity)
- CWE ID: CWE-79 (Cross-Site Scripting)
Mitigation and Prevention
Steps to address and prevent the vulnerability.
Immediate Steps to Take
- Ensure administrative credentials are secure and not easily compromised.
- Regularly monitor and audit the web-based management interface for any suspicious activities.
Long-Term Security Practices
- Implement input validation mechanisms to prevent XSS attacks.
- Educate users on safe browsing practices and the risks of executing arbitrary scripts.
Patching and Updates
- Apply security patches and updates provided by Cisco to address the vulnerability.