CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2020-3992
Critical (9.8) in VMware ESXi. In CISA KEV since 2021-11-03, with known ransomware use. EPSS 83% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 83% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2021-11-03, due 2022-05-03, known ransomware use
- CWE
- CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- vmware:cloud_foundation
- vmware:esxi