Is CVE-2020-3950 actively exploited?

Yes. CVE-2020-3950 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2020-3950 be exploited remotely?

The attack vector of CVE-2020-3950 has not been classified yet.

What is the CVSS score of CVE-2020-3950?

CVE-2020-3950 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2020-3950

HIGHCISA KEVIN THE WILD

CVE-2020-3950

Published: November 3, 2021

EPSS:19.65%probability of exploitation in 30 daysPercentile:95.3th

Official Description

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.

NVD Source

CISA KEV Advisory

VMware Multiple Products Privilege Escalation Vulnerability

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

VMware Fusion, Remote Console (VMRC) for Mac, and Horizon Client for Mac are susceptible to a privilege escalation flaw. This is due to improper use of setuid binaries, allowing attackers to gain root privileges. The high EPSS score of 0.19652 and its inclusion in CISA's KEV catalog highlight the urgency and confirmed exploitation of this vulnerability.

This vulnerability is actively exploited in the wild, as confirmed by its presence in CISA's KEV catalog. Exploitation allows for privilege escalation to root.

Recommended Action

Apply all available updates for VMware Fusion, VMRC for Mac, and Horizon Client for Mac to address the privilege escalation vulnerability. Regularly review and restrict permissions for setuid binaries.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-3950 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2020-3950 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.