Vulnerability in Zoom Meetings

CVE-2020-11877

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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.016 (74.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-11877: held from 0.015 to 0.016.

EPSS over last 30 days · oldest: 0.015 · newest: 0.016 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-11877?
CVE-2020-11877 is a high-severity vulnerability in Zoom Meetings, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2020-04-17.
How severe is CVE-2020-11877?
High severity. CVSS v3 base score is 7.5 out of 10.