CVE-2020-3982
high-risk
Published 2020-10-20
VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6) contain an out-of-bounds write vulnerability due to a time-of-check time-of-use issue in ACPI device. A malicious actor with administrative access to a virtual machine may be able to exploit this vulnerability to crash the virtual machine's vmx process or corrupt hypervisor's memory heap.
Do I need to act?
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0.20% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.7/10
High
NETWORK
/ HIGH complexity
Affected Products (20)
Affected Vendors
57
/ 100
high-risk
Severity
23/34 · High
Exploitability
1/34 · Minimal
Exposure
33/34 · Critical