SB2021020405 - Hyperlink Injection in Cisco Webex Meetings and Cisco Webex Meetings Server
Published: February 4, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-1221)
The vulnerability allows a remote attacker to inject a hyperlink into a meeting invitation email.
The vulnerability exists due to insufficient validation of user-supplied input in the user interface. A remote authenticated attacker can generate a Webex Meetings invitation email that contains a link to a destination of their choosing.
Remediation
Install update from vendor's website.