Buffer overflow in VMware Vcenter Server
CVE-2023-20894
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 class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.339 (98.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.339 · newest: 0.339 · change: 0.000
Affected products
- VMware Vcenter Server — versions 7.0, 8.0
- VMware Cloud Foundation (Vcenter Server) — versions 5.x, 4.x
- VMware Vcenter Server (Vcenter Server) — versions 8.0, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2023-20894?
- CVE-2023-20894 is a high-severity vulnerability in VMware Vcenter Server, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2023-06-22.
- How severe is CVE-2023-20894?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2023-20894 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.