Is CVE-2020-3974 in the CISA KEV catalog?

No. CVE-2020-3974 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3974?

CVE-2020-3974 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-3974?

CVE-2020-3974 has an EPSS score of 0.36% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3974?

Upgrade fusion to 11.5.5 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-3974

HIGH

7.8

CVSS v3

NVD

Description

VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before 11.2.0 ) and Horizon Client for Mac (5.x and prior before 5.4.3) contain a privilege escalation vulnerability due to improper XPC Client validation. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMware Remote Console for Mac or Horizon Client for Mac is installed.

How to fix

Remediation Available

fusionNVD

Affected:>= 11.0.0, < 11.5.5Fixed in:11.5.5CVE-2020-3974derived from NVD

horizon clientNVD

Affected:>= 5.0.0, < 5.4.3Fixed in:5.4.3CVE-2020-3974derived from NVD

remote consoleNVD

Affected:>= 11.0.0, < 11.2.0Fixed in:11.2.0CVE-2020-3974derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% 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.