CVE-2020-11500: Zoom Meetings

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.

Affected products

• Zoom Meetings: up to and including 4.6.9

Published 2020-04-03. Last modified 2026-06-17.