CVE-2020-3361 Explained : Impact and Mitigation
Learn about CVE-2020-3361, a high-severity vulnerability in Cisco Webex Meetings Server that allows unauthorized access. Find out the impact, affected systems, and mitigation steps.
A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow unauthorized access to a vulnerable Webex site.
Understanding CVE-2020-3361
This CVE involves a security flaw in Cisco Webex Meetings and Cisco Webex Meetings Server that could be exploited by an unauthenticated remote attacker.
What is CVE-2020-3361?
The vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server allows an attacker to gain unauthorized access to a vulnerable Webex site by exploiting improper handling of authentication tokens.
The Impact of CVE-2020-3361
If successfully exploited, the attacker could access a vulnerable Webex site and potentially gain the privileges of another user within that site.
Technical Details of CVE-2020-3361
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability is a result of improper authentication token handling by vulnerable Webex sites.
Affected Systems and Versions
- Product: Cisco WebEx Meetings Server
- Vendor: Cisco
- Version: Not applicable (n/a)
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- CVSS Score: 8.1 (High)
- Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Mitigation and Prevention
To address CVE-2020-3361, follow these mitigation strategies:
Immediate Steps to Take
- Apply vendor patches promptly
- Monitor Cisco's security advisories for updates
Long-Term Security Practices
- Regularly update and patch all software
- Implement strong authentication mechanisms
Patching and Updates
- Stay informed about security updates from Cisco
- Apply patches as soon as they are released