CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2020-11500
High (7.5) in zoom meetings. 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.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
- CWE
- CWE-327
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zoom:meetings
References
- https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/
- https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/
- https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/
- https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/