CVE-2020-3992

CRITICAL KEV RANSOMWARE

Vmware Cloud Foundation < 3.10.1.2 - Use After Free

Title source: rule

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.

Exploits (3)

nomisec WORKING POC 68 stars
by dgh05t · dos
https://github.com/dgh05t/VMware_ESXI_OpenSLP_PoCs
nomisec SCANNER 49 stars
by HynekPetrak · infoleak
https://github.com/HynekPetrak/CVE-2019-5544_CVE-2020-3992
vulncheck_xdb WORKING POC
dos
https://github.com/ceciliaaii/CVE_2020_3992

Scores

CVSS v3 9.8
EPSS 0.9087
EPSS Percentile 99.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2021-11-03
VulnCheck KEV 2020-11-11
InTheWild.io 2021-07-23
ENISA EUVD EUVD-2020-25257
Ransomware Use Confirmed
CWE
CWE-416
Status published
Products (2)
vmware/cloud_foundation 3.0 - 3.10.1.2
vmware/esxi 6.5 (49 CPE variants)
Published Oct 20, 2020
KEV Added Nov 03, 2021
Tracked Since Feb 18, 2026