Zoom Meetings vulnerabilities

CVE-2021-33907 [CRITICAL] CWE-295 CVE-2021-33907: The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client. This could lead to remote code execution in an elevated privileged context.

CVE-2021-34423 [CRITICAL] CWE-120 CVE-2021-34423: A buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, A buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom Client for Meetings for Blackberry (for Android and iOS) before version 5.8.1, Zoom Client for Meetings for intune (for Android and iOS) before version 5.8.4, Zoom Client for Meetings for Chrome OS bef

CVE-2022-22784 [HIGH] CWE-91 CVE-2022-22784: The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 fai The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly parse XML stanzas in XMPP messages. This can allow a malicious user to break out of the current XMPP message context and create a new message context to have the receiving users client perform a variety of actions.This issue could be used

CVE-2023-43582 [HIGH] CWE-939 CVE-2023-43582: Improper authorization in some Zoom clients may allow an authorized user to conduct an escalation of Improper authorization in some Zoom clients may allow an authorized user to conduct an escalation of privilege via network access.

CVE-2022-22785 [CRITICAL] CWE-565 CVE-2022-22785: The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 fai The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly constrain client session cookies to Zoom domains. This issue could be used in a more sophisticated attack to send an unsuspecting users Zoom-scoped session cookies to a non-Zoom domain. This could potentially allow for spoofing of a

CVE-2022-22787 [HIGH] CWE-295 CVE-2022-22787: The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fai The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.

CVE-2022-22786 [HIGH] CWE-494 CVE-2022-22786: The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room fo The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

CVE-2022-28763 [CRITICAL] CWE-20 CVE-2022-28763: The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.2 is The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.2 is susceptible to a URL parsing vulnerability. If a malicious Zoom meeting URL is opened, the malicious link may direct the user to connect to an arbitrary network address, leading to additional attacks including session takeovers.

CVE-2021-34424 [HIGH] CWE-125 CVE-2021-34424: A vulnerability was discovered in the Zoom Client for Meetings (for Android, iOS, Linux, macOS, and A vulnerability was discovered in the Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom Client for Meetings for Blackberry (for Android and iOS) before version 5.8.1, Zoom Client for Meetings for intune (for Android and iOS) before version 5.8.4, Zoom Client for Meetings for Chrome OS before version 5.0.1

CVE-2023-39206 [HIGH] CWE-120 CVE-2023-39206: Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of servic Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.

CVE-2023-39204 [HIGH] CWE-120 CVE-2023-39204: Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of servic Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.

CVE-2023-28596 [HIGH] CWE-427 CVE-2023-28596: Zoom Client for IT Admin macOS installers before version 5.13.5 contain a local privilege escalation Zoom Client for IT Admin macOS installers before version 5.13.5 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability in an attack chain during the installation process to escalate their privileges to privileges to root.

CVE-2022-22788 [HIGH] CWE-427 CVE-2022-22788: The Zoom Opener installer is downloaded by a user from the Launch meeting page, when attempting to j The Zoom Opener installer is downloaded by a user from the Launch meeting page, when attempting to join a meeting without having the Zoom Meeting Client installed. The Zoom Opener installer for Zoom Client for Meetings before version 5.10.3 and Zoom Rooms for Conference Room for Windows before version 5.10.3 are susceptible to a DLL injection attack.

CVE-2020-11876 [HIGH] CWE-327 CVE-2020-11876: airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for initialization of an OpenSSL EVP AES-256 CBC context. NOTE: the vendor states that this initialization only occurs within unreachable code

CVE-2021-34408 [HIGH] CWE-59 CVE-2021-34408: The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a 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.

CVE-2021-34409 [HIGH] CWE-732 CVE-2021-34409: It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In th

CVE-2022-28768 [HIGH] CWE-689 CVE-2022-28768: The Zoom Client for Meetings Installer for macOS (Standard and for IT Admin) before version 5.12.6 c The Zoom Client for Meetings Installer for macOS (Standard and for IT Admin) before version 5.12.6 contains a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability during the install process to escalate their privileges to root.

CVE-2020-11877 [HIGH] CWE-330 CVE-2020-11877: airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the Initialization Vector (I 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

CVE-2023-22883 [HIGH] CWE-367 CVE-2023-22883: Zoom Client for IT Admin Windows installers before version 5.13.5 contain a local privilege escalati Zoom Client for IT Admin Windows installers before version 5.13.5 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability in an attack chain during the installation process to escalate their privileges to the SYSTEM user.

CVE-2022-28756 [HIGH] CWE-347 CVE-2022-28756: The Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with version 5.7.3 and b The Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with version 5.7.3 and before 5.11.5 contains a vulnerability in the auto update process. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.