CVE-2023-20892 VMware vCenter Server heap-overflow vulnerability

What is CVE-2023-20892?

CVE-2023-20892 is a high-severity memory corruption vulnerability in Vmware Vcenter Server, published on 22 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-787

Which versions are affected by CVE-2023-20892?

It affects 1 product.

Products include Vmware Vcenter Server.

How do I fix CVE-2023-20892?

No fix has been published for CVE-2023-20892 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-20892 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-20892 exists.

Other vulnerabilities in Vmware Vcenter Server

• CVE-2026-59310 Broadcom VMware vCenter Path Traversal Exploited Critical 9.8
• CVE-2023-34048 VMware vCenter Server Out-of-Bounds Write Exploited Critical 9.8
• CVE-2020-3952 VMware vCenter Server Information Disclosure Exploited Critical 9.8
• CVE-2021-22017 VMware vCenter Server Improper Access Control Exploited Medium 5.3
• CVE-2015-2342 Code injection in n/a Critical 10.0

All Vmware Vcenter Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vmcx-3r5m-96cr.