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Vulnerabilities CVE-2020-3992

CVE-2020-3992

Medium
Open
KEV
TLP:CLEAR

VMware ESXi OpenSLP Use-After-Free Vulnerability

NVD CVE.org

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Description

OpenSLP as used in VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before ESXi650-202010401-SG) has a use-after-free issue. A malicious actor residing in the management network who has access to port 427 on an ESXi machine may be able to trigger a use-after-free in the OpenSLP service resulting in remote code execution.

Details

EPSS Score ⓘ
83.02%

99.6th percentile

Confidence
100%
Published
Oct 20, 2020
Last Modified
Aug 12, 2026
CISA KEV
Date Added
Nov 3, 2021
Patch Due
May 3, 2022
Used in ransomware campaigns
Required Action
Apply updates per vendor instructions.
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