Skip to content
Fencer Intel
high 8.1

CVE-2023-20894 in the critical feed json

The VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol.

published 3y ago modified 4mo ago also EUVD-2023-25065

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
33.9%
EPSS 33.9% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

Patch / fix

  • VMware VMware vCenter Server (vCenter Server) 7.0 u3m, 8.0 U1b
  • VMware VMware Cloud Foundation (vCenter Server) 7.0 U3m, 8.0 U1b

Is CVE-2023-20894 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

33.95% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-14).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • VMware VMware vCenter Server (vCenter Server)
  • VMware VMware Cloud Foundation (vCenter Server)

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.