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.
Published 2020-10-20 17:15:13
Updated 2020-10-30 16:53:48
Source VMware
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Threat overview for CVE-2020-3982

Top countries where our scanners detected CVE-2020-3982
Top open port discovered on systems with this issue 443
IPs affected by CVE-2020-3982 24,028
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-3982!
*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-2020-3982

0.18%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-3982

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.9
MEDIUM AV:N/AC:M/Au:S/C:N/I:P/A:P
6.8
4.9
NIST
7.7
HIGH CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H
1.3
5.8
NIST

CWE ids for CVE-2020-3982

  • 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)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-3982

Products affected by CVE-2020-3982

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