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    CVE-2021-33907

    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.

    Published:Sep 27, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 27, 2021
    EPSS Score:0.04391
    CVSS Score:9.8

    Affected Products

    Vendor
    Zoom
    Product
    Meetings

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    Related CVEs

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    CVE-2023-39206 (CVSS 3.7) — Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via netw…
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    CVE-2023-39204 (CVSS 4.3) — Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via netw…
    CVE-2023-36539 (CVSS 5.3) — Exposure of information intended to be encrypted by some Zoom clients may lead to disclosure of sensitive info…
    CVE-2023-28596 (CVSS 7.8) — Zoom Client for IT Admin macOS installers before version 5.13.5 contain a local privilege escalation vulnerabi…
    CVE-2023-22883 (CVSS 7.2) — Zoom Client for IT Admin Windows installers before version 5.13.5 contain a local privilege escalation vulnera…
    CVE-2022-28766 (CVSS 3.3) — Windows 32-bit versions of the Zoom Client for Meetings before 5.12.6 and Zoom Rooms for Conference Room befor…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High