Is CVE-2023-20894 actively exploited?

No active exploitation of CVE-2023-20894 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-20894 be exploited remotely?

Yes. CVE-2023-20894 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-20894?

CVE-2023-20894 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-20894

CWE-787Published: June 22, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

The VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bound write by sending a specially crafted packet leading to memory corruption.

NVD Source

Risk Analysis

An out-of-bounds write vulnerability exists in the DCERPC protocol implementation of VMware vCenter Server. Attackers can trigger memory corruption by sending specially crafted packets, leading to a critical security risk.

There is no public exploit known, and it is not in the KEV catalog. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Update to the latest patched versions of VMware vCenter Server 7.0 or 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-2023-20894 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-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.