High severity · published Sep 27, 2021
CVE-2021-34412
During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Meetings · Zoom
before 5.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34412
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34412
Vendor Advisory
https://explore.zoom.us/en/trust/security/security-bulletin/
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