VMware vCenter Server OOB Write via DCERPC (CVE-2023-20894)
CVE-2023-20894 Published on June 22, 2023
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.
Vulnerability Analysis
CVE-2023-20894 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2023-20894. The potential impact of an exploit of this vulnerability is considered to be very high.
Products Associated with CVE-2023-20894
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Affected Versions
VMware vCenter Server (vCenter Server):- Version 8.0 and below 8.0 U1b is affected.
- Version 7.0 and below 7.0 u3m is affected.
- Version 5.x and below 7.0 U3m, 8.0 U1b is affected.
- Version 4.x and below 7.0 U3m, 8.0 U1b is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.