Is CVE-2023-20893 actively exploited?

No active exploitation of CVE-2023-20893 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-20893 be exploited remotely?

Yes. CVE-2023-20893 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-20893?

CVE-2023-20893 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-20893

CWE-416Published: June 22, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

The VMware vCenter Server contains a use-after-free vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit this issue to execute arbitrary code on the underlying operating system that hosts vCenter Server.

NVD Source

Risk Analysis

VMware vCenter Server contains a use-after-free vulnerability in its DCERPC protocol implementation. This allows remote attackers to execute arbitrary code on the underlying operating system with a CVSS score of 9.8.

No public exploit is known, and it is not in the KEV catalog. The flaw is remotely exploitable with low complexity.

Recommended Action

Apply the security updates provided by VMware for vCenter Server 7.0 and 8.0.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-20893 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.