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CVE-2020-3992

CRITICALCISA KEV

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published10/20/2020

Last Modified10/30/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorVMware

ProductESXi

Vulnerability NameVMware ESXi OpenSLP Use-After-Free Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2022-05-03

Ransomware UseKnown

Affected Products

vmware:cloud_foundationvmware:esxi

Weaknesses (CWE)

CWE-416CWE-416

References

https://www.vmware.com/security/advisories/VMSA-2020-0023.html(security@vmware.com)

https://www.zerodayinitiative.com/advisories/ZDI-20-1377/(security@vmware.com)

https://www.zerodayinitiative.com/advisories/ZDI-20-1385/(security@vmware.com)

https://www.vmware.com/security/advisories/VMSA-2020-0023.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.zerodayinitiative.com/advisories/ZDI-20-1377/(af854a3a-2127-422b-91ae-364da2661108)

https://www.zerodayinitiative.com/advisories/ZDI-20-1385/(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3992(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.