Vulnerability Details : 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 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.
Published 2020-10-20 17:15:13
Updated 2021-07-21 11:39:24
Source VMware
View at NVD,   CVE.org

Products affected by CVE-2020-3981

Threat overview for CVE-2020-3981

Top countries where our scanners detected CVE-2020-3981
Top open port discovered on systems with this issue 443
IPs affected by CVE-2020-3981 37,233
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-3981!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-3981

EPSS FAQ
0.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-3981

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
 LOW AV:N/AC:M/Au:S/C:P/I:N/A:N
6.8
2.9
 NIST
5.8
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
1.3
4.0
 NIST

CWE ids for CVE-2020-3981

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)
  • The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-3981

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