Executive Summary

Informations
Name CVE-2020-3981 First vendor Publication 2020-10-20
Vendor Cve Last vendor Modification 2021-07-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Overall CVSS Score 5.8
Base Score 5.8 Environmental Score 5.8
impact SubScore 4 Temporal Score 5.8
Exploitabality Sub Score 1.3
 
Attack Vector Network Attack Complexity High
Privileges Required High User Interaction None
Scope Changed Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:S/C:P/I:N/A:N)
Cvss Base Score 3.5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 6.8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3981

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
50 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 17
Application 117
Os 1
Os 220

Sources (Detail)

Source Url
MISC https://www.vmware.com/security/advisories/VMSA-2020-0023.html

Alert History

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Date Informations
2021-08-05 01:39:18
  • Multiple Updates
2021-07-21 17:23:19
  • Multiple Updates
2021-05-04 14:05:07
  • Multiple Updates
2021-04-22 03:03:54
  • Multiple Updates
2021-04-06 01:33:36
  • Multiple Updates
2021-02-12 21:23:22
  • Multiple Updates
2020-12-04 01:31:06
  • Multiple Updates
2020-11-01 17:23:06
  • Multiple Updates
2020-10-20 21:23:28
  • First insertion