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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.
Use CWE-416, Vmware vendor hub and Cloud Foundation product page to widen CVE-2020-3992 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-22224, CVE-2025-22225 and CVE-2026-22719 for nearby disclosures in the same product family.