CVE-2021-1503 : faille élevée cisco webex meetings server (CVSS 7.8)

A vulnerability in Cisco Webex Network Recording Player for Windows and MacOS and Cisco Webex Player for Windows and MacOS could allow an attacker to execute arbitrary code on an affected system. This vulnerability is due to insufficient validation of values in Webex recording files that are in either Advanced Recording Format (ARF) or Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.

Sévérité

Élevée (CVSS 7.8)

Vecteur CVSS

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation active

Non signalée par la CISA

Publication

4 juin 2021

Dernière mise à jour

17 juin 2026

• cisco webex meetings server
• cisco webex player

• Fiche CVE-2021-1503 sur le NVD (NIST)
• tools.cisco.com/security/center/content/CiscoSecurityAdvisory/…