CVE-2021-40115 : What You Need to Know
Learn about CVE-2021-40115 affecting Cisco Webex Video Mesh. Understand the impact of this cross-site scripting vulnerability and find mitigation steps for prevention.
Cisco Webex Video Mesh has been identified with a cross-site scripting vulnerability that could enable a remote attacker to execute arbitrary script code or access sensitive browser-based information.
Understanding CVE-2021-40115
Cisco Webex Video Mesh is susceptible to a cross-site scripting vulnerability due to inadequate validation of user-supplied input through the web-based management interface.
What is CVE-2021-40115?
The vulnerability allows an unauthenticated, remote attacker to perform a cross-site scripting (XSS) attack by tricking a user into clicking a malicious link. Successful exploitation could lead to executing arbitrary script code within the interface or accessing confidential browser-based data.
The Impact of CVE-2021-40115
- CVSS Base Score: 6.1 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Changed
- Confidentiality & Integrity Impact: Low
- Availability Impact: None
- The exploit is not known to have been publicly announced or maliciously used according to Cisco PSIRT.
Technical Details of CVE-2021-40115
The technical details of the vulnerability are as follows:
Vulnerability Description
The insufficient validation of user inputs in the web-based management interface enables attackers to execute cross-site scripting attacks.
Affected Systems and Versions
- Affected Product: Cisco Webex Video Mesh
- Vendor: Cisco
- Affected Version: Not Applicable
Exploitation Mechanism
The attacker can leverage the vulnerability by persuading a user to click on a specifically crafted link, triggering the execution of arbitrary script code.
Mitigation and Prevention
To address CVE-2021-40115, the following steps are recommended:
Immediate Steps to Take
- Implement security patches provided by Cisco.
- Educate users about potential phishing attacks and suspicious links.
Long-Term Security Practices
- Ensure regular security awareness training for employees.
- Continuously monitor and update security measures.
Patching and Updates
- Keep systems updated with the latest security patches and software versions.