CVE-2020-3950: VMware Multiple Products Privilege Escalation Vulnerability

Published Mar 17, 2020
·
Updated

VMware Fusion (11.x before 11.5.2), VMware Remote Console for Mac (11.x and prior before 11.0.1) and Horizon Client for Mac (5.x and prior before 5.4.0) contain a privilege escalation vulnerability due to improper use of setuid binaries. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMRC or Horizon Client is installed.

Other sources

VMware Fusion, Remote Console (VMRC) for Mac, and Horizon Client for Mac contain a privilege escalation vulnerability due to improper use of setuid binaries that allows attackers to escalate privileges to root.

CISA

Affected Software

9 affected components
VMware Multiple Products
All of the following
Any of the following
VMware Fusion>=11.0.0<11.5.2
VMware Horizon Client>=5.0.0<5.4.0
VMware Remote Console>=11.0.0<11.0.1
Apple macOS
VMware Fusion>=11.0.0<11.5.2
VMware Horizon Client>=5.0.0<5.4.0
VMware Remote Console>=11.0.0<11.0.1
Apple macOS

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade VMware Fusion to a version that resolves this vulnerability.

    Fixed in 11.5.2
  2. Upgrade

    Upgrade VMware Remote Console for Mac (VMRC) to a version that resolves this vulnerability.

    Fixed in 11.0.1
  3. Upgrade

    Upgrade Horizon Client for Mac to a version that resolves this vulnerability.

    Fixed in 5.4.0

Event History

Mar 17, 2020
CVE Published
via MITRE·06:41 PM
Data Sourced
via MITRE·06:41 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 3, 2021
Known Exploited
via CISA·12:00 AM
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Frequently Asked Questions

1

What is CVE-2020-3950?

CVE-2020-3950 is a privilege escalation vulnerability affecting VMware Fusion, VMware Remote Console for Mac, and Horizon Client for Mac.

2

Which products are affected by CVE-2020-3950?

CVE-2020-3950 affects VMware Fusion (11.x before 11.5.2), VMware Remote Console for Mac (11.x and prior before 11.0.1), and Horizon Client for Mac (5.x and prior before 5.4.0).

3

What is the severity of CVE-2020-3950?

CVE-2020-3950 has a severity rating of 7.8 (High).

4

How can CVE-2020-3950 be exploited?

CVE-2020-3950 can be exploited by attackers with local system access to escalate their privileges due to improper use of setuid binaries.

5

Are Apple macOS systems vulnerable to CVE-2020-3950?

No, Apple macOS systems are not vulnerable to CVE-2020-3950.

Contact

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