Medium severity · published Oct 20, 2020
CVE-2020-3981
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…
5.8
CVSS
0.8%
EPSS
No
On KEV
Description
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 read 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 issue to leak memory from the vmx process.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
ESXi · VMware
7.0.0; 7.0.0; 6.5; 6.5; 6.5; 6.5; +34 more · source: NVD
CF
Cloud Foundation · Vmware
3.0 before 3.10.1; 4.0 before 4.1 · source: NVD
FU
Fusion · Vmware
11.0 before 11.5.6 · source: NVD
WO
Workstation · Vmware
15.0.0 through 15.5.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-3981
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-3981
Patch
https://www.vmware.com/security/advisories/VMSA-2020-0023.html
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