CVE-2011-4004: Cisco Webex Recording Format Player

High severity, CVSS 9.3. EPSS: 3.8% chance of exploitation in the next 30 days.

Buffer overflow in the ATAS32 processing functionality in the Cisco WebEx Recording Format (WRF) player T26 before SP49 EP40 and T27 before SP28 allows remote attackers to execute arbitrary code via a crafted WRF file.

Affected products

• Cisco Webex Recording Format Player: version 26 only; version 27 only; version 27.10 only; version 27.12 only; version 27.13 only

Published 2011-10-27. Last modified 2026-06-16.