Privilege escalation in Zoom Rooms

CVE-2021-34411

During the installation process forZoom Rooms for Conference Room for Windows before version 5.3.0 it is possible to launch Internet Explorer with elevated privileges. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.5% 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-2021-34411: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Zoom Rooms
  • Zoom Rooms For Conference Room Windows — versions All versions before 5.3.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-34411?
CVE-2021-34411 is a high-severity vulnerability in Zoom Rooms, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2021-09-27.
How severe is CVE-2021-34411?
High severity. CVSS v3 base score is 7.8 out of 10.