CVE-2020-11877

7.5 highEPSS 1.6%

High (7.5) in zoom meetings. EPSS 1.6% chance of exploitation in the next 30 days.

airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the Initialization Vector (IV) for AES-256 CBC encryption. NOTE: the vendor states that this IV is used only within unreachable code

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-330
Published: 2020-04-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zoom:meetings

References

https://dev.io/posts/zoomzoo/
https://dev.io/posts/zoomzoo/

Check your stack JSON