VMware ESXi
YES - ON THE CISA KEV LIST
CVE-2020-3992
VMware ESXi OpenSLP Use-After-Free Vulnerability
overdue since 2022-05-03
VMware: 26 entries (1.5% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-3992
References
Other KEV entries for this vendor: VMware
- CVE-2025-22226 - ESXi, Workstation, and Fusion (2025-03-04)
- CVE-2025-22225 - ESXi (2025-03-04)
- CVE-2025-22224 - ESXi and Workstation (2025-03-04)
- CVE-2024-38813 - vCenter Server (2024-11-20)
- CVE-2024-38812 - vCenter Server (2024-11-20)
- CVE-2024-37085 - ESXi (2024-07-30)
- CVE-2022-22948 - vCenter Server (2024-07-17)
- CVE-2023-34048 - vCenter Server (2024-01-22)
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