CVE-2020-3992CISA KEVEPSS p99.7%

CVE-2020-3992VMware ESXi OpenSLP Use-After-Free Vulnerability

VMware / ESXi

Description

VMware ESXi OpenSLP contains a use-after-free vulnerability that allows an attacker residing in the management network with access to port 427 to perform remote code execution.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS83.02% probability of exploitation · percentile 99.7% · 2026-10-05T12:00:23Z
Last modified2026-08-12

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryVMware ESXi OpenSLP Use-After-Free Vulnerabilitykev-cve-2020-39920%live

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.