Is CVE-2020-3981 in the CISA KEV catalog?

No. CVE-2020-3981 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3981?

CVE-2020-3981 has a CVSS v3 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2020-3981?

CVE-2020-3981 has an EPSS score of 0.79% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3981?

Upgrade cloud foundation to 4.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-3981

MEDIUM

5.8

CVSS v3

NVD

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.

CWE-125Out-of-bounds Read CWE-367TOCTOU Race Condition

How to fix

Remediation Available

cloud foundationNVD

Affected:>= 4.0, < 4.1Fixed in:4.1CVE-2020-3981derived from NVD

fusionNVD

Affected:>= 11.0, < 11.5.6Fixed in:11.5.6CVE-2020-3981derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Exploit Intelligence

0.79%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Patch1

vmware.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.