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.
References
| Link | Resource |
|---|---|
| https://www.vmware.com/security/advisories/VMSA-2020-0023.html | Patch Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-20-1377/ | Third Party Advisory VDB Entry |
| https://www.zerodayinitiative.com/advisories/ZDI-20-1385/ | Third Party Advisory VDB Entry |
| https://www.vmware.com/security/advisories/VMSA-2020-0023.html | Patch Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-20-1377/ | Third Party Advisory VDB Entry |
| https://www.zerodayinitiative.com/advisories/ZDI-20-1385/ | Third Party Advisory VDB Entry |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3992 |
Configurations
Configuration 1 (hide)
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History
22 Oct 2025, 00:17
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21 Oct 2025, 20:18
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21 Oct 2025, 19:18
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21 Nov 2024, 05:32
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://www.vmware.com/security/advisories/VMSA-2020-0023.html - Patch, Vendor Advisory | |
| References | () https://www.zerodayinitiative.com/advisories/ZDI-20-1377/ - Third Party Advisory, VDB Entry | |
| References | () https://www.zerodayinitiative.com/advisories/ZDI-20-1385/ - Third Party Advisory, VDB Entry |
15 Jun 2022, 02:59
| Type | Values Removed | Values Added |
|---|---|---|
| References | (MISC) https://www.zerodayinitiative.com/advisories/ZDI-20-1377/ - Third Party Advisory, VDB Entry | |
| References | (MISC) https://www.zerodayinitiative.com/advisories/ZDI-20-1385/ - Third Party Advisory, VDB Entry |
Information
Published : 2020-10-20 17:15
Updated : 2025-10-22 00:17
NVD link : CVE-2020-3992
Mitre link : CVE-2020-3992
CVE.ORG link : CVE-2020-3992
JSON object : View
Products Affected
vmware
- esxi
- cloud_foundation
CWE
CWE-416
Use After Free
