Beware! Hackers Can Now Exploit a Security Flaw in Zoom Client

The popular video messaging platform Zoom has discovered multiple vulnerabilities affecting Zoom Clients. These vulnerabilities might allow an unauthorized user to carry out denial-of-service, privilege escalation, and information disclosure attacks.



To receive the most recent security updates and bug fixes, Zoom advises users to update to the most recent version of the Zoom software.



High Severity Vulnerabilities Impacting Zoom Clients



Improper Authentication – CVE-2023-39215



With a CVSS Base Score of 7.1 and a High severity vulnerability listed as CVE-2023-39215 , improper authentication in Zoom clients may enable an authenticated user to utilize network access to perform a denial of service attack.



Affected Products:



Zoom Desktop Client for Windows before version 5.15.5



Zoom Desktop Client for macOS before version 5.15.5



Zoom Desktop Client for Linux before version 5.15.5



Zoom VDI Client before version 5.14.12



Zoom VDI Client before version 5.15.4



Zoom Mobile App for Android before version 5.15.5



Zoom Mobile App for iOS before version 5.15.5



Zoom Meeting SDK’s before version 5.15.5
Exposure of Sensitive Information – CVE-2023-39214



A high-severity vulnerability with a CVSS Base Score of 7.6 is identified as CVE-2023-39214. It involves the exposure of sensitive data in Zoom Client versions before 5.15.5, which could enable a denial of service via network access for an authenticated user.



Affected Products:



Zoom Desktop Client for Windows before version 5.15.5



Zoom Desktop Client for macOS before version 5.15.5



Zoom Desktop Client for Linux before version 5.15.5



Zoom Mobile App for Android before version 5.15.5



Zoom Mobile App for iOS before version 5.15.5



Zoom Rooms for iPad before version 5.15.5



Zoom Rooms for Android before version 5.15.5



Zoom Rooms for Windows before version 5.15.5



Zoom Rooms for macOS before version 5.15.5
Client-Side Enforcement of Server-Side Security – CVE-2023-36535



Before version 5.14.10, client-side enforcement of server-side security in Zoom clients may have allowed an authenticated user to enable information exposure via network access.



This high-severity vulnerability was identified as CVE-2023-36535 and has a CVSS Base Score of 7.1.



Affected Products:



Zoom Clients for Windows before version 5.14.10



Zoom Desktop Client for macOS before version 5.14.10



Zoom Desktop Client for Linux before version 5.14.10



Zoom VDI Host and Plugin before version 5.14.10



Zoom Mobile App for Android before version 5.14.10



Zoom Mobile App for iOS before version 5.14.10



Zoom Rooms for iPad before version 5.14.10



Zoom Rooms for Android before version 5.14.10



Zoom Rooms for Windows before version 5.14.10



Zoom Rooms for macOS before version 5.14.10
Medium and Low-Severity Vulnerabilities Impacting Zoom Clients



Improper Authorization (CVE-2023-43582), Insufficient Control Flow Management (CVE-2023-43588), Cryptographic Issues (CVE-2023-39199), Buffer Overflow (CVE-2023-39206, CVE-2023-39204, CVE-2023-36532), Improper Conditions Check (CVE-2023-39205), 



Client-Side Enforcement of Server-Side Security (CVE-2023-39218), Improper Input Validation (CVE-2023-39217).



Update Now!



Users are advised to stay safe by installing the most recent updates or getting the most recent Zoom software which includes all security updates.



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