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CVE-2020-3992

CISA KEV

Published November 3, 2021 · Updated April 3, 2026

high
Official 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.

Affected Products

VendorProduct
VMwareESXi

Patch Status

Patch by 2022-05-03

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2020-3992.