CVE-2021-1467

A vulnerability in Cisco Webex Meetings for Android could allow an authenticated, remote attacker to modify the avatar of another user.
This vulnerability is due to improper authorization checks. An attacker could exploit this vulnerability by sending a crafted request to the Cisco Webex Meetings client of a targeted user of a meeting in which they are both participants. A successful exploit could allow the attacker to modify the avatar of the targeted user.

Source: CVE-2021-1467