Exploited
critical
10
CWE
22
Advisory Published
Updated

CVE-2021-21972: VMware vCenter Server Remote Code Execution Vulnerability

First published: Wed Feb 24 2021(Updated: )

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).

Credit: security@vmware.com security@vmware.com security@vmware.com

Affected SoftwareAffected VersionHow to fix
VMware vCenter
VMware vCenter Server and Cloud Foundation>=3.0<3.10.1.2
VMware vCenter Server and Cloud Foundation>=4.0<4.2
VMware vCenter=6.5
VMware vCenter=6.5-a
VMware vCenter=6.5-b
VMware vCenter=6.5-c
VMware vCenter=6.5-d
VMware vCenter=6.5-e
VMware vCenter=6.5-f
VMware vCenter=6.5-update1d
VMware vCenter=6.5-update1e
VMware vCenter=6.5-update1g
VMware vCenter=6.5-update2
VMware vCenter=6.5-update2b
VMware vCenter=6.5-update2c
VMware vCenter=6.5-update2d
VMware vCenter=6.5-update2g
VMware vCenter=6.5-update3
VMware vCenter=6.5-update3d
VMware vCenter=6.5-update3f
VMware vCenter=6.5-update3k
VMware vCenter=6.7
VMware vCenter=6.7-a
VMware vCenter=6.7-b
VMware vCenter=6.7-d
VMware vCenter=6.7-update1
VMware vCenter=6.7-update1b
VMware vCenter=6.7-update2
VMware vCenter=6.7-update2a
VMware vCenter=6.7-update2c
VMware vCenter=6.7-update3
VMware vCenter=6.7-update3a
VMware vCenter=6.7-update3b
VMware vCenter=6.7-update3f
VMware vCenter=6.7-update3g
VMware vCenter=6.7-update3j
VMware vCenter=7.0
VMware vCenter=7.0-a
VMware vCenter=7.0-b
VMware vCenter=7.0-c
VMware vCenter=7.0-d
VMware vCenter=7.0-update1
VMware vCenter=7.0-update1a

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-21972?

    CVE-2021-21972 is a remote code execution vulnerability in VMware vCenter Server, which allows a malicious actor to execute commands with unrestricted privileges on the underlying operating system.

  • How severe is CVE-2021-21972?

    CVE-2021-21972 has a severity rating of 9.8, which is considered critical.

  • Which software is affected by CVE-2021-21972?

    VMware vCenter Server versions 6.5, 6.7, and 7.0, as well as VMware Cloud Foundation versions 3.0 to 3.10.1.2 and 4.0 to 4.2, are affected by CVE-2021-21972.

  • How can CVE-2021-21972 be exploited?

    An attacker with network access to port 443 can exploit CVE-2021-21972 to execute commands with unrestricted privileges on the hosting operating system.

  • Are there any references for CVE-2021-21972?

    Yes, you can find more information about CVE-2021-21972 at the following URLs: [http://packetstormsecurity.com/files/161590/VMware-vCenter-Server-7.0-Arbitrary-File-Upload.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/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](http://packetstormsecurity.com/files/163268/VMware-vCenter-6.5-6.7-7.0-Remote-Code-Execution.html).

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