CVE-2014-3311: Heap-based buffer overflow in the file-sharing feature in WebEx Meetings Client in Cisco WebEx Meetings Ser...

Security readout for executives and security teams

This is a Cisco WebEx Meetings Client vulnerability in the file-sharing feature. A remote attacker could potentially run code on a user’s machine by sending crafted data. The source bundle does not provide CVSS, affected version ranges, patch details, or evidence of active exploitation. Exposure is most likely where legacy Cisco WebEx Meetings Client deployments remain in use, especially with file-sharing functionality. The bundle does not identify exact affected versions or CPEs. Prioritize discovery and vendor-guided remediation for any remaining legacy WebEx client footprint. Business urgency is high if exposed clients are still used for meetings with external participants. Mitigation focus: Review Cisco’s security notice for affected versions and supported remediation.; Update or retire legacy WebEx Meetings Client deployments per Cisco guidance.; Limit untrusted WebEx file-sharing use until remediation status is confirmed..

Prepared

Jun 14, 2026, 07:14 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.