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    CVE-2021-21972

    The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).

    Published:Feb 24, 2021
    Last Modified:Oct 30, 2025
    EPS:Feb 24, 2021
    EPSS Score:0.93738
    CVSS Score:9.8

    CISA Notification

    Description

    The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Nov 17, 2021
    1759 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Vmware
    Product
    Cloud Foundation
    Vendor
    Vmware
    Product
    Vcenter Server

    Exploits

    http://packetstormsecurity.com/files/161590/VMware-vCenter-Server-7.0-Arbitrary-File-Upload.htmlhttp://packetstormsecurity.com/files/161695/VMware-vCenter-Server-File-Upload-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/163268/VMware-vCenter-6.5-6.7-7.0-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/161590/VMware-vCenter-Server-7.0-Arbitrary-File-Upload.htmlhttp://packetstormsecurity.com/files/161695/VMware-vCenter-Server-File-Upload-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/163268/VMware-vCenter-6.5-6.7-7.0-Remote-Code-Execution.htmlhttps://www.exploit-db.com/exploits/50056https://github.com/alt3kx/CVE-2021-21972https://github.com/B1anda0/CVE-2021-21972https://github.com/ByZain/CVE-2021-21972https://github.com/conjojo/VMware_vCenter_UNAuthorized_RCE_CVE-2021-21972https://github.com/d3sh1n/cve-2021-21972https://github.com/GuayoyoCyber/CVE-2021-21972https://github.com/haidv35/CVE-2021-21972https://github.com/horizon3ai/CVE-2021-21972https://github.com/Hurrrraaaa/CVE-2021-21972https://github.com/JMousqueton/Detect-CVE-2021-21972https://github.com/L-pin/CVE-2021-21972https://github.com/Ma1Dong/vcenter_rcehttps://github.com/milo2012/CVE-2021-21972https://github.com/murataydemir/CVE-2021-21972https://github.com/NS-Sp4ce/CVE-2021-21972https://github.com/orangmuda/CVE-2021-21972https://github.com/Osyanina/westone-CVE-2021-21972-scannerhttps://github.com/pettyhacks/vSphereyeeterhttps://github.com/psc4re/NSE-scriptshttps://github.com/QmF0c3UK/CVE-2021-21972-vCenter-6.5-7.0-RCE-POChttps://github.com/renini/CVE-2021-21972https://github.com/robwillisinfo/VMware_vCenter_CVE-2021-21972https://github.com/Schira4396/VcenterKillerhttps://github.com/SimoesCTT/CTT-enhanced-VMware-vCenterhttps://github.com/TAI-REx/CVE-2021-21972https://github.com/TaroballzChen/CVE-2021-21972https://github.com/user16-et/cve-2021-21972_PoChttps://github.com/yaunsky/CVE-2021-21972https://github.com/ZTK-009/CVE-2021-21972https://www.exploit-db.com/exploits/49602

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    References

    http://packetstormsecurity.com/files/161590/VMware-vCenter-Server-7.0-Arbitrary-File-Upload.html
    http://packetstormsecurity.com/files/161695/VMware-vCenter-Server-File-Upload-Remote-Code-Execution.html
    http://packetstormsecurity.com/files/163268/VMware-vCenter-6.5-6.7-7.0-Remote-Code-Execution.html
    https://www.vmware.com/security/advisories/VMSA-2021-0002.html
    http://packetstormsecurity.com/files/161590/VMware-vCenter-Server-7.0-Arbitrary-File-Upload.html
    http://packetstormsecurity.com/files/161695/VMware-vCenter-Server-File-Upload-Remote-Code-Execution.html
    http://packetstormsecurity.com/files/163268/VMware-vCenter-6.5-6.7-7.0-Remote-Code-Execution.html
    https://www.vmware.com/security/advisories/VMSA-2021-0002.html
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21972

    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