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    CVE-2021-30480

    Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary code without user interaction. An attacker must be within the same organization, or an external party who has been accepted as a contact. NOTE: this is specific to the Zoom Chat software, which is different from the chat feature of the Zoom Meetings and Zoom Video Webinars software.

    Published:Apr 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 9, 2021
    EPSS Score:0.13209
    CVSS Score:8.5

    Affected Products

    Vendor
    Apple
    Product
    Macos
    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Zoom
    Product
    Chat

    Exploits

    https://sector7.computest.nl/post/2021-08-zoom/https://sector7.computest.nl/post/2021-08-zoom/

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-87452 (CVSS 3.1) — Incorrect authorization in GPU in Google Chrome on on Mac prior to 153.0.8010.36 allowed a remote attacker who…
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    CVE-2026-87558 (CVSS 9.6) — Use after free in Payments in Google Chrome on on Mac prior to 153.0.8010.36 allowed a remote attacker to exec…
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    References

    https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/
    https://explore.zoom.us/en/trust/security/security-bulletin/
    https://sector7.computest.nl/post/2021-08-zoom/
    https://twitter.com/thezdi/status/1379855435730149378
    https://twitter.com/thezdi/status/1379859851061395459
    https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own
    https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/
    https://www.zerodayinitiative.com/advisories/ZDI-21-971/
    https://zoom.us/feature/messaging
    https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/
    https://explore.zoom.us/en/trust/security/security-bulletin/
    https://sector7.computest.nl/post/2021-08-zoom/
    https://twitter.com/thezdi/status/1379855435730149378
    https://twitter.com/thezdi/status/1379859851061395459
    https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own
    https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/
    https://www.zerodayinitiative.com/advisories/ZDI-21-971/
    https://zoom.us/feature/messaging

    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