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.

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

EPSS: 0.015 (71.5th percentile) — read the EPSS interpretation.

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.

Affected products

Zoom Meetings — versions 4.6.11
N/a — versions n/a

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

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.