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High severity · published Sep 27, 2021
CVE-2021-34408
The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update…
7.8
CVSS
0.6%
EPSS
No
On KEV
Description
The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege escalation if a link was created between the user writable directory used and a non-user writable directory.
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)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Meetings · Zoom
before 5.3.2 · source: NVD
Affected product
ME
Meetings
Zoom
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34408
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34408
Vendor Advisory
https://explore.zoom.us/en/trust/security/security-bulletin/
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