PULSE
LIVE44signals / 24h
FEED
ransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomkrybit reclama a eitzchaim.com · IL · Not Foundransomkrybit reclama a formasuniversales.com · MX · Business Servicesransomkrybit reclama a rehabmalaysia.com · MY · Healthcareransomkrybit reclama a www.lagus.cz · CZ · Business Servicesransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomkrybit reclama a eitzchaim.com · IL · Not Foundransomkrybit reclama a formasuniversales.com · MX · Business Servicesransomkrybit reclama a rehabmalaysia.com · MY · Healthcareransomkrybit reclama a www.lagus.cz · CZ · Business Servicesransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcare
← All CVEs
CVE Watch

CVE-2020-3992

VMware ESXi OpenSLP Use-After-Free Vulnerability

CVSS

No CVSS

EPSS

83.0%

p100

KEV

YES

Nov 3, 2021

Exploit Today

80

0-100

Published: · Last modified:

EPSS · 30d
83.0%EPSS · 30 days83.0%
2026-06-302026-07-16
KEV catalog record

Product

VMware / ESXi

Vulnerability

VMware ESXi OpenSLP Use-After-Free Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Yes

Summary 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.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-3992

Related CVEs
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2024-37085
97.8%
KEV79VMware ESXi Authentication Bypass Vulnerability
CVE-2025-22225
57.7%
KEV67VMware ESXi Arbitrary Write Vulnerability