CVE-2020-11500

Published: Apr 3, 2020Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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 (1)

Products: Zoom: Meetings

Zoom

1 product

Meetings

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Zoom Meetings	Up to 4.6.9

Related CWEs

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

References (4)

https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/

Source: cve@mitre.org

ExploitThird Party Advisory

https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/

Source: cve@mitre.org

Press/Media CoverageThird Party Advisory

https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/

Source: af854a3a-2127-422b-91ae-364da2661108

Press/Media CoverageThird Party Advisory

Timeline

No history available yet.