CVE-2020-3321

CVE-2020-3321 describes a Denial of Service (DoS) vulnerability in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows. This flaw, caused by insufficient validation of elements within ARF or WRF recording files, allows an attacker to crash the player application. The attack requires user interaction, as the victim must open a malicious recording file sent via a link or email attachment. While no public exploits or active exploitation have been observed, and community discussion is minimal, the vulnerability has a CVSS score of 3.3 (Low) and a FAUCET Risk Score of 7/100.