CVE-2020-3297 : Vulnerability Insights and Analysis
Learn about CVE-2020-3297, a critical vulnerability in Cisco Small Business Smart and Managed Switches allowing unauthorized access to the management interface with potential high-impact consequences. Find out how to mitigate and prevent this security risk.
A vulnerability in session management for the web-based interface of Cisco Small Business Smart and Managed Switches could allow unauthorized access to the management interface, potentially leading to high-impact consequences.
Understanding CVE-2020-3297
This CVE identifies a critical vulnerability in Cisco Small Business Smart and Managed Switches that could be exploited by remote attackers.
What is CVE-2020-3297?
The vulnerability in session management allows attackers to bypass authentication protections, gain unauthorized access to the management interface, and potentially acquire administrator privileges on the device.
The Impact of CVE-2020-3297
The vulnerability's high CVSS base score of 8.1 indicates its severe impact, with confidentiality, integrity, and availability all at risk. Attackers could hijack sessions and perform actions with administrative user privileges.
Technical Details of CVE-2020-3297
This section delves into the specifics of the vulnerability.
Vulnerability Description
The weakness lies in the session identifier's entropy generation, enabling attackers to brute force session identifiers and take over ongoing sessions.
Affected Systems and Versions
- Product: Cisco Small Business 200 Series Smart Switches
- Vendor: Cisco
- Affected Version: Not applicable
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Availability Impact: High
- Confidentiality Impact: High
- Integrity Impact: High
Mitigation and Prevention
Protecting systems from CVE-2020-3297 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Monitor network traffic for any signs of exploitation.
- Restrict access to the management interface.
Long-Term Security Practices
- Regularly update and patch all network devices.
- Implement strong password policies and multi-factor authentication.
- Conduct security training for employees to recognize social engineering tactics.
Patching and Updates
- Cisco has likely released patches to address this vulnerability. Ensure all affected systems are updated with the latest security fixes.