critical
9.8
CWE
787
Advisory Published
Updated

CVE-2023-20892

First published: Thu Jun 22 2023(Updated: )

The vCenter Server contains a heap overflow vulnerability due to the usage of uninitialized memory in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit heap-overflow vulnerability to execute arbitrary code on the underlying operating system that hosts vCenter Server.

Credit: security@vmware.com

Affected SoftwareAffected VersionHow to fix
VMware vCenter Server<7.0
VMware vCenter Server=7.0
VMware vCenter Server=7.0-a
VMware vCenter Server=7.0-b
VMware vCenter Server=7.0-c
VMware vCenter Server=7.0-d
VMware vCenter Server=7.0-update1
VMware vCenter Server=7.0-update1a
VMware vCenter Server=7.0-update1c
VMware vCenter Server=7.0-update1d
VMware vCenter Server=7.0-update2
VMware vCenter Server=7.0-update2a
VMware vCenter Server=7.0-update2b
VMware vCenter Server=7.0-update2c
VMware vCenter Server=7.0-update2d
VMware vCenter Server=7.0-update3
VMware vCenter Server=7.0-update3a
VMware vCenter Server=7.0-update3c
VMware vCenter Server=7.0-update3d
VMware vCenter Server=7.0-update3e
VMware vCenter Server=7.0-update3f
VMware vCenter Server=7.0-update3g
VMware vCenter Server=7.0-update3h
VMware vCenter Server=7.0-update3i
VMware vCenter Server=7.0-update3j
VMware vCenter Server=7.0-update3k
VMware vCenter Server=7.0-update3l
VMware vCenter Server=8.0
VMware vCenter Server=8.0-a
VMware vCenter Server=8.0-b
VMware vCenter Server=8.0-c
VMware vCenter Server=8.0-update1
VMware vCenter Server=8.0-update1a

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Reference Links

Frequently Asked Questions

  • What is CVE-2023-20892?

    CVE-2023-20892 is a heap overflow vulnerability in the vCenter Server due to the usage of uninitialized memory in the implementation of the DCERPC protocol.

  • How severe is CVE-2023-20892?

    CVE-2023-20892 is rated as critical with a severity score of 9.8.

  • What software is affected by CVE-2023-20892?

    VMware vCenter Server versions 7.0 and 8.0 are affected by CVE-2023-20892.

  • How can a malicious actor exploit CVE-2023-20892?

    A malicious actor with network access to vCenter Server can exploit the heap overflow vulnerability to execute arbitrary code on the underlying operating system.

  • Where can I find more information about CVE-2023-20892?

    You can find more information about CVE-2023-20892 at the following references: [Talos Intelligence](https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1801), [VMware Security Advisories](https://www.vmware.com/security/advisories/VMSA-2023-0014.html).

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