SB2021020405 - Hyperlink Injection in Cisco Webex Meetings and Cisco Webex Meetings Server



SB2021020405 - Hyperlink Injection in Cisco Webex Meetings and Cisco Webex Meetings Server

Published: February 4, 2021

Security Bulletin ID SB2021020405
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • 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.